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Open cluster M103 in Cassiopee - M103 open cluster in Cassiopeia - M103 (NGC 581) is a cluster of stars located about 8000 years - light from Earth. This cluster is located at about 8,000 light years away

Open cluster M103 in Cassiopee - M103 open cluster in Cassiopeia - M103 (NGC 581) is a cluster of stars located about 8000 years - light from Earth. This cluster is located at about 8,000 light years away

Jim Misti

PIX4567682

Open cluster M34 in Persee - Open cluster M34 in Perseus - The cluster M34 (NGC 1039) contains a hundred stars; it is located about 1400 years - light from Earth. The open cluster M34 (NGC 1039) is at approximately 1,400 light - years away from Earth in the Perseus constellation. It contains about 100 stars

Open cluster M34 in Persee - Open cluster M34 in Perseus - The cluster M34 (NGC 1039) contains a hundred stars; it is located about 1400 years - light from Earth. The open cluster M34 (NGC 1039) is at approximately 1,400 light - years away from Earth in the Perseus constellation. It contains about 100 stars

Jim Misti

PIX4567809

Open cluster M47 in Puppis - Open star cluster M47 in Puppis - M47 (NGC 2422) is a cluster located about 1600 years ago - light that contains about fifty stars. M47 (NGC 2422) is an open cluster in the constellation Puppis, and was known to several observers before being independently discovered by Messier. A coarse bright cluster of some 50 stars, it can be seen by the suitably primed naked eye at a good dark location, as a dim fuzzy spot. About 1600 light - years away, it is spread over an area about that of the full moon (30 arc minutes across), or some 14 light - years linearly

Open cluster M47 in Puppis - Open star cluster M47 in Puppis - M47 (NGC 2422) is a cluster located about 1600 years ago - light that contains about fifty stars. M47 (NGC 2422) is an open cluster in the constellation Puppis, and was known to several observers before being independently discovered by Messier. A coarse bright cluster of some 50 stars, it can be seen by the suitably primed naked eye at a good dark location, as a dim fuzzy spot. About 1600 light - years away, it is spread over an area about that of the full moon (30 arc minutes across), or some 14 light - years linearly

Vincent Toporenko

PIX4568008

Constellation of Belier - Aries constellatio

Constellation of Belier - Aries constellatio

B&S.Fletcher

PIX4589155

Hyad cluster - Mel 25 - The Hyades cluster in Taurus - Mel 25, the Hyades, is an open cluster visible to the naked eye in the constellation Taurus. The red giant star Aldebaran is the brightest star in the image. On the left, the small open cluster NGC 1647. The Hyades is a beautiful open cluster in Taurus that is easily visible to the unaided - eye. Brilliant Aldebaran, a 0.9 magnitude red giant star, dominates the cluster which is located about 153 light years away. Smaller open cluster NGC 1647 is on the left in the image, some 45 acr minutes in diameter at magnitude 6.4. This skyview is corresponding to binoculars and small telescopes

Hyad cluster - Mel 25 - The Hyades cluster in Taurus - Mel 25, the Hyades, is an open cluster visible to the naked eye in the constellation Taurus. The red giant star Aldebaran is the brightest star in the image. On the left, the small open cluster NGC 1647. The Hyades is a beautiful open cluster in Taurus that is easily visible to the unaided - eye. Brilliant Aldebaran, a 0.9 magnitude red giant star, dominates the cluster which is located about 153 light years away. Smaller open cluster NGC 1647 is on the left in the image, some 45 acr minutes in diameter at magnitude 6.4. This skyview is corresponding to binoculars and small telescopes

PIX4568962

Constellation Cancer - Cancer constellation - Top right, Pollux and Castor, bottom right, Procyon

Constellation Cancer - Cancer constellation - Top right, Pollux and Castor, bottom right, Procyon

PIX4589426

Star clusters M46 and M47 and planetary nebula NGC 2438 in stern - Open clusters M46 and M47 - M46 (NGC 2437) and M47 (NGC 2422), are two open clusters located in the constellation Stern. M46, which contains the planetary nebula NGC 2438, is on the left, M47, on the right. M46 and M47 are two interesting open clusters that lie a little more than 1 degree apart in the sky in the constellation of Pupis. M46, containing planetary nebula NGC 2438, is seen at left in this photo, and M47 is at right. M47 is a bright cluster that can be seen with the unaided eye under dark skies. It is comprised of about 30 stars, and is 30 arc minutes in diameter and has an overall brightness of 4.4 magnitude

Star clusters M46 and M47 and planetary nebula NGC 2438 in stern - Open clusters M46 and M47 - M46 (NGC 2437) and M47 (NGC 2422), are two open clusters located in the constellation Stern. M46, which contains the planetary nebula NGC 2438, is on the left, M47, on the right. M46 and M47 are two interesting open clusters that lie a little more than 1 degree apart in the sky in the constellation of Pupis. M46, containing planetary nebula NGC 2438, is seen at left in this photo, and M47 is at right. M47 is a bright cluster that can be seen with the unaided eye under dark skies. It is comprised of about 30 stars, and is 30 arc minutes in diameter and has an overall brightness of 4.4 magnitude

Jerry Lodriguss

PIX4568051

Globular cluster 47 Toucan - The globular cluster 47 Tucanae, NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the oldest stars known today. Image obtained from the 3.9m telescope of Siding Spring, Australia. Among the many spectacular objects in the southern skies are two magnificent naked - eye globular clusters, omega Centauri and 47 Tucanae. These ancient cities of stars are captives of the Milky Way but were formed long before our Galaxy assumed its present shape, indeed these clusters have some of the oldest known stars. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies. The crowded central region leads to occasional stellar encounters and it is in 47 Tuc that rapidly - spinning pulsars have been discovered by radio astronomers. Although the light of globular clus

Globular cluster 47 Toucan - The globular cluster 47 Tucanae, NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the oldest stars known today. Image obtained from the 3.9m telescope of Siding Spring, Australia. Among the many spectacular objects in the southern skies are two magnificent naked - eye globular clusters, omega Centauri and 47 Tucanae. These ancient cities of stars are captives of the Milky Way but were formed long before our Galaxy assumed its present shape, indeed these clusters have some of the oldest known stars. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies. The crowded central region leads to occasional stellar encounters and it is in 47 Tuc that rapidly - spinning pulsars have been discovered by radio astronomers. Although the light of globular clus

PIX4564283

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellation

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellation

PIX4588898

Constellations of Cassiopee, Cephee and Lizard - Cassiopeia, Cepheus, Lacerta constellations - On the top left the constellation of Cephee, on its right the Lizard, in the center of Cassiopee, below part of the constellation of Persee, on the right, part of Andromede. Top left Cepheus constellation with Lacerta to its right; in the middle Cassiopeia constellation, and part of Andromeda to its right; bottom part of Perseus

Constellations of Cassiopee, Cephee and Lizard - Cassiopeia, Cepheus, Lacerta constellations - On the top left the constellation of Cephee, on its right the Lizard, in the center of Cassiopee, below part of the constellation of Persee, on the right, part of Andromede. Top left Cepheus constellation with Lacerta to its right; in the middle Cassiopeia constellation, and part of Andromeda to its right; bottom part of Perseus

S. Numazawa

PIX4589653

Globular cluster 47 Toucan - Globular cluster 47 Tucanae - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 16000 years ago - light it contains several million stars, some of which are among the older stars known today. This image was obtained by the Kueyen telescope of the VLT in Chile in 2001. It shows the central part of the cluster. 47 Tucanae is an impressive globular cluster that is visible with the unaided eye from the southern hemisphere. Located about 16,000 light years away, it has a total mass of about 1 million times the mass of the Sun and is 120 light years across, making it appear on the sky as big as the full moon. The colour image of 47 Tucanae shown here was taken with FORS1 on Eso's Very Large Telescope in 2001. The image covers only the densest, very central part of the cluster. The globular cluster extends in reality four times further away

Globular cluster 47 Toucan - Globular cluster 47 Tucanae - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 16000 years ago - light it contains several million stars, some of which are among the older stars known today. This image was obtained by the Kueyen telescope of the VLT in Chile in 2001. It shows the central part of the cluster. 47 Tucanae is an impressive globular cluster that is visible with the unaided eye from the southern hemisphere. Located about 16,000 light years away, it has a total mass of about 1 million times the mass of the Sun and is 120 light years across, making it appear on the sky as big as the full moon. The colour image of 47 Tucanae shown here was taken with FORS1 on Eso's Very Large Telescope in 2001. The image covers only the densest, very central part of the cluster. The globular cluster extends in reality four times further away

PIX4564275

Globular cluster M15 in Pegase - Globular cluster M15 in Pegasus - View of the globular cluster M15 by the Hubble space telescope. Located about 35,000 light years away from Earth in the constellation Pegase, M15 is one of 150 known globular clusters forming a vast halo around our galaxy. The bluish object in the middle left of the image is a planetary nebula: Kuestner 648 (Pease 1). Planetary nebulae are gas shells ejected by a star at the end of life, after its phase of red giante; they are very rarely observed in globular clusters or their presence is not yet well understood. The globular cluster Messier 15 is shown in this color image obtained with the NASA Hubble Space Telescope. Lying some 35,000 light - years from Earth in the direction of the constellation Pegasus, M15 is one of almost 150 known globular clusters that form a vast halo surrounding our Milky Way galaxy. The bluish object to the middle left of the image is a gas cloud surrounding a dying star, a planetary nebula k

Globular cluster M15 in Pegase - Globular cluster M15 in Pegasus - View of the globular cluster M15 by the Hubble space telescope. Located about 35,000 light years away from Earth in the constellation Pegase, M15 is one of 150 known globular clusters forming a vast halo around our galaxy. The bluish object in the middle left of the image is a planetary nebula: Kuestner 648 (Pease 1). Planetary nebulae are gas shells ejected by a star at the end of life, after its phase of red giante; they are very rarely observed in globular clusters or their presence is not yet well understood. The globular cluster Messier 15 is shown in this color image obtained with the NASA Hubble Space Telescope. Lying some 35,000 light - years from Earth in the direction of the constellation Pegasus, M15 is one of almost 150 known globular clusters that form a vast halo surrounding our Milky Way galaxy. The bluish object to the middle left of the image is a gas cloud surrounding a dying star, a planetary nebula k

PIX4565141

Double cluster of Persee - Double cluster in Perseus - Chi Persei (NGC 884), on the left and h Persei (NGC 869) on the right are located about 7000 years - light in the constellation Persee. Mosaic of two images obtained with a 30 cm telescope. Time: 14 hours. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC 884, on the left) and h Persei (NGC 869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

Double cluster of Persee - Double cluster in Perseus - Chi Persei (NGC 884), on the left and h Persei (NGC 869) on the right are located about 7000 years - light in the constellation Persee. Mosaic of two images obtained with a 30 cm telescope. Time: 14 hours. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC 884, on the left) and h Persei (NGC 869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

R. Gendler

PIX4567773

Hyad cluster - Mel 25 - The Hyades cluster in Taurus - Mel 25, the Hyades, is an open cluster visible to the naked eye in the constellation Taurus. The red giant star Aldebaran is the brightest star in the image. On the left, the small open cluster NGC 1647. The Hyades is a beautiful open cluster in Taurus that is easily visible to the unaided - eye. Brilliant Aldeberan, a 0.9 magnitude red giant star, dominates the cluster which is located about 153 light years away. Smaller open cluster NGC 1647 is on the left in the image, some 45 acr minutes in diameter at magnitude 6.4

Hyad cluster - Mel 25 - The Hyades cluster in Taurus - Mel 25, the Hyades, is an open cluster visible to the naked eye in the constellation Taurus. The red giant star Aldebaran is the brightest star in the image. On the left, the small open cluster NGC 1647. The Hyades is a beautiful open cluster in Taurus that is easily visible to the unaided - eye. Brilliant Aldeberan, a 0.9 magnitude red giant star, dominates the cluster which is located about 153 light years away. Smaller open cluster NGC 1647 is on the left in the image, some 45 acr minutes in diameter at magnitude 6.4

Jerry Lodriguss

PIX4568904

Open cluster NGC 3293 in Carene - Open star cluster NGC 3293 in Carina - Star cluster located in the constellation Carene about 8500 years ago - light from Earth. Unlike the Sun, many stars are found in brilliant clusters such as NGC 3293 where they spend their lives. At birth, which should have been at much the same time for all the stars in NGC 3293, the most massive stars are hot and very luminous and therefore appear as the brightest blue stars. With time they deplete their supplies of nuclear fuel, hydrogen. This evolutionary process involves cooling, so that the stars become redder, and would ordinarily disappear from view, but they also swell to gigantic proportions and so remain visible. The bright orange star in NGC 3293 is the member of the cluster which has aged fastest. This cluster is in the constellation of Carina at a distance of about 8500 light years

Open cluster NGC 3293 in Carene - Open star cluster NGC 3293 in Carina - Star cluster located in the constellation Carene about 8500 years ago - light from Earth. Unlike the Sun, many stars are found in brilliant clusters such as NGC 3293 where they spend their lives. At birth, which should have been at much the same time for all the stars in NGC 3293, the most massive stars are hot and very luminous and therefore appear as the brightest blue stars. With time they deplete their supplies of nuclear fuel, hydrogen. This evolutionary process involves cooling, so that the stars become redder, and would ordinarily disappear from view, but they also swell to gigantic proportions and so remain visible. The bright orange star in NGC 3293 is the member of the cluster which has aged fastest. This cluster is in the constellation of Carina at a distance of about 8500 light years

PIX4568211

Open cluster NGC 2547 in Voiles - Open cluster NGC 2547 in Vel

Open cluster NGC 2547 in Voiles - Open cluster NGC 2547 in Vel

R. Gendler

PIX4568107

Comete Machholz et l'amas des Pleiades - Comet Machholz passes near the Pleiades on January 8, 2005 - January 8, 2005

Comete Machholz et l'amas des Pleiades - Comet Machholz passes near the Pleiades on January 8, 2005 - January 8, 2005

Jerry Lodriguss

PIX4570343

Open cluster M25 (IC 4725) in Sagittarius - Open cluster M25 (IC 4725) in Sagittarius - Image obtained by the Oschin telescope of Mount Palomar through several filters and composed

Open cluster M25 (IC 4725) in Sagittarius - Open cluster M25 (IC 4725) in Sagittarius - Image obtained by the Oschin telescope of Mount Palomar through several filters and composed

Vincent Toporenko

PIX4568974

The cluster of stars Pismis 24 in the Scorpio - Pismis 24 star cluster in Scorpius - This image shows the cluster of young stars Pismis 24, located about 8000 years - light in the nebula NGC 6357 of the Scorpio. This cluster is home to some of the most massive stars known to date. Image made with the 1.5m Danish telescope of La Silla in Chile in 2009. Located near the famous “” Cat Paw”” nebula (NGC 6334), the Stellar Cluster Pismis 24 lies at the core of NGC 6357. Its stars include some of the most massive stellar behemoths known. One of the brightest stars in the cluster, Pismis 24 - 1, was thought possibly to be the most massive on record, approaching 300 solar masses, until it was discovered by the Hubble Telescope to be a triple star, with large components exceeding 100 solar masses. Several of the other central stars also exceed 100 solar masses. The nebulosity visible in the image shows the effects of intense radiation which has sculpted the clouds into curious shapes. Massive p

The cluster of stars Pismis 24 in the Scorpio - Pismis 24 star cluster in Scorpius - This image shows the cluster of young stars Pismis 24, located about 8000 years - light in the nebula NGC 6357 of the Scorpio. This cluster is home to some of the most massive stars known to date. Image made with the 1.5m Danish telescope of La Silla in Chile in 2009. Located near the famous “” Cat Paw”” nebula (NGC 6334), the Stellar Cluster Pismis 24 lies at the core of NGC 6357. Its stars include some of the most massive stellar behemoths known. One of the brightest stars in the cluster, Pismis 24 - 1, was thought possibly to be the most massive on record, approaching 300 solar masses, until it was discovered by the Hubble Telescope to be a triple star, with large components exceeding 100 solar masses. Several of the other central stars also exceed 100 solar masses. The nebulosity visible in the image shows the effects of intense radiation which has sculpted the clouds into curious shapes. Massive p

PIX4569042

Cluster of stars NGC 299 in Toucan - Open cluster NGC 299 in Tucana: NGC 299 is an open cluster located in the galaxy of the Little Magellan Cloud. Image obtained by the Hubble Space Telescope (HST). NGC 299 is an open star cluster located within the Small Magellanic Cloud just under 200 000 light-years away. Open clusters such as this are collections of stars weakly bound by the shackles of gravity, all of which formed from the same massive molecular cloud of gas and dust. Because of this, all the stars have the same age and composition, but vary in their mass because they formed at different positions within the cloud. This unique property not only ensures a spectacular sight when viewed through a sophisticated instrument attached to a telescope such as Hubble's Advanced Camera for Surveys, but gives astronomers a cosmic laboratory in which to study the formation and evolution of stars - a process that is thought to depend strongly on a star's mass

Cluster of stars NGC 299 in Toucan - Open cluster NGC 299 in Tucana: NGC 299 is an open cluster located in the galaxy of the Little Magellan Cloud. Image obtained by the Hubble Space Telescope (HST). NGC 299 is an open star cluster located within the Small Magellanic Cloud just under 200 000 light-years away. Open clusters such as this are collections of stars weakly bound by the shackles of gravity, all of which formed from the same massive molecular cloud of gas and dust. Because of this, all the stars have the same age and composition, but vary in their mass because they formed at different positions within the cloud. This unique property not only ensures a spectacular sight when viewed through a sophisticated instrument attached to a telescope such as Hubble's Advanced Camera for Surveys, but gives astronomers a cosmic laboratory in which to study the formation and evolution of stars - a process that is thought to depend strongly on a star's mass

PIX4580152

Comet 103P Hartley and Persee Double Cluster - Comet 103P Hartley - Comet 103P Hartley (or Hartley 2) seen on October 8, 2010. Comet Hartley and the DoubleClub (NGC884 & NGC869). October 8, 201

Comet 103P Hartley and Persee Double Cluster - Comet 103P Hartley - Comet 103P Hartley (or Hartley 2) seen on October 8, 2010. Comet Hartley and the DoubleClub (NGC884 & NGC869). October 8, 201

PIX4570306

Mars retrograde in the Taurus from 03/09/1990 to 17/03/1991 - The reversal of the motion of Mars in Taurus. September 3, 1990 - Photo series showing the retrograde movement of Mars in the Taurus. September 3, 1990. The reversal of the motion of Mars, between the Hyades and Pleiades, September 3, 1990 to March 17, 199

Mars retrograde in the Taurus from 03/09/1990 to 17/03/1991 - The reversal of the motion of Mars in Taurus. September 3, 1990 - Photo series showing the retrograde movement of Mars in the Taurus. September 3, 1990. The reversal of the motion of Mars, between the Hyades and Pleiades, September 3, 1990 to March 17, 199

PIX4587629

Open cluster M11 in the ecu de sobieski - M11 open cluster in Scutum - M11, NGC 6705, is an open cluster especially compact and rich in stars (about 3000), located in the constellation Ecu de Sobieski. M11 is one of the most condensed open clusters in the sky. An intriguing and tantalizing sight in binoculars, it is wonderful in a telescope, and is many observer's favorite open cluster. Located in the constellation of Scutum, it is sometimes mistaken for a loose globular cluster. M11 is also called the “” Wild Duck Cluster”” because of it's resemblance to a flight of wild ducks when viewed in a telescope. M11, with an overall brightness of magnitude 5.8, contains as many as 500 stars ranging from 8th magnitude down to 14th magnitude

Open cluster M11 in the ecu de sobieski - M11 open cluster in Scutum - M11, NGC 6705, is an open cluster especially compact and rich in stars (about 3000), located in the constellation Ecu de Sobieski. M11 is one of the most condensed open clusters in the sky. An intriguing and tantalizing sight in binoculars, it is wonderful in a telescope, and is many observer's favorite open cluster. Located in the constellation of Scutum, it is sometimes mistaken for a loose globular cluster. M11 is also called the “” Wild Duck Cluster”” because of it's resemblance to a flight of wild ducks when viewed in a telescope. M11, with an overall brightness of magnitude 5.8, contains as many as 500 stars ranging from 8th magnitude down to 14th magnitude

Jerry Lodriguss

PIX4568412

Constellation Belier - Aries constellation - Constellation Belier and cluster of Pleiades (in the Taurus). Although inconspicuous, Aries is one of the constellations of the zodiac and from ancient times has been represented by a ram, the same ram whose golden fleece was sought by Jason and the Argonauts in the great ship Argo Navis. For more than 2000 years it also of astronomical importance because it was the constellation where the Sun crossed the celestial equator (ecliptic) each year at the vernal equinox, marking the first point in Aries from which right ascension is measured. Precession has now carried this point into Pisces. The constellation is the 39th largest in the sky and covers about 440 square degrees. The best - known object in this field is the Pleiades star cluster (M45 in Taurus)

Constellation Belier - Aries constellation - Constellation Belier and cluster of Pleiades (in the Taurus). Although inconspicuous, Aries is one of the constellations of the zodiac and from ancient times has been represented by a ram, the same ram whose golden fleece was sought by Jason and the Argonauts in the great ship Argo Navis. For more than 2000 years it also of astronomical importance because it was the constellation where the Sun crossed the celestial equator (ecliptic) each year at the vernal equinox, marking the first point in Aries from which right ascension is measured. Precession has now carried this point into Pisces. The constellation is the 39th largest in the sky and covers about 440 square degrees. The best - known object in this field is the Pleiades star cluster (M45 in Taurus)

PIX4589253

Constellation Belier - Aries constellation - View from New Zealand. Aries (Latin for Ram) is one of the constellations of the zodiac. It lies between Pisces to the west and Taurus to the east. Aries' stars are rather faint except for Ari (Hamal) and Ari (Sharatan). Other important stars are Ari (Mesarthim) and Ari (Botein)

Constellation Belier - Aries constellation - View from New Zealand. Aries (Latin for Ram) is one of the constellations of the zodiac. It lies between Pisces to the west and Taurus to the east. Aries' stars are rather faint except for Ari (Hamal) and Ari (Sharatan). Other important stars are Ari (Mesarthim) and Ari (Botein)

Christopher Picking

PIX4589163

Detail of the globular cluster 47 Toucan - Starfield in the globular cluster 47 Tucanae, NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the older stars known today. This image obtained by the Hubble Space Telescope shows a detail of this cluster near its center; about 35,000 stars are visible. This image shows the Hubble telescope's close - up look at a swarm of 35, 000 stars near the club's central region. The stars are tightly packed together: They are much closer together than our Sun and its closest stars. The picture, taken by the Wide Field and Planetary Camera 2, depicts the stars' natural colors and tells scientists about their composition and age. For example, the red stars denote bright red giants nearing the end of their lives; the more common yellow stars are similar to our middle - aged Sun

Detail of the globular cluster 47 Toucan - Starfield in the globular cluster 47 Tucanae, NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the older stars known today. This image obtained by the Hubble Space Telescope shows a detail of this cluster near its center; about 35,000 stars are visible. This image shows the Hubble telescope's close - up look at a swarm of 35, 000 stars near the club's central region. The stars are tightly packed together: They are much closer together than our Sun and its closest stars. The picture, taken by the Wide Field and Planetary Camera 2, depicts the stars' natural colors and tells scientists about their composition and age. For example, the red stars denote bright red giants nearing the end of their lives; the more common yellow stars are similar to our middle - aged Sun

PIX4564266

Double cluster of Persee - Double cluster in Perseus - NGC884, on the left and h Persei NGC869 on the right are located about 7000 years - light in the constellation Persee. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC884, on the left) and h Persei (NGC869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

Double cluster of Persee - Double cluster in Perseus - NGC884, on the left and h Persei NGC869 on the right are located about 7000 years - light in the constellation Persee. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC884, on the left) and h Persei (NGC869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

R. Gendler

PIX4567708

Persee Constellation - Constellation of Persia

Persee Constellation - Constellation of Persia

PIX4593202

Artist's view of our galaxy - Our galaxy, the Milky Way. Artwork

Artist's view of our galaxy - Our galaxy, the Milky Way. Artwork

S. Numazawa

PIX4638141

Persee Constellation - Perseus constellation - In superimpression, the mythological form of the constellation Persee, extracted from the Uranographia of Hevelius. Constellation Mythological form from “” Uranographia”” star atlas by Hevelius (1690) has been added

Persee Constellation - Perseus constellation - In superimpression, the mythological form of the constellation Persee, extracted from the Uranographia of Hevelius. Constellation Mythological form from “” Uranographia”” star atlas by Hevelius (1690) has been added

Alex Conu

PIX4571659

Stars cluster NGC 411 in Toucan - Open cluster NGC 411 in Tucana - NGC 411 is an open cluster located in the galaxy of the Little Magellan Cloud. Image obtained by the Hubble Space Telescope (HST). NGC 411 is an open cluster located in the small magellanic cloud. Image taken by the Hubble Space Telescope (HST)

Stars cluster NGC 411 in Toucan - Open cluster NGC 411 in Tucana - NGC 411 is an open cluster located in the galaxy of the Little Magellan Cloud. Image obtained by the Hubble Space Telescope (HST). NGC 411 is an open cluster located in the small magellanic cloud. Image taken by the Hubble Space Telescope (HST)

PIX4567644

Star cluster M46 and planetary nebula NGC 2438 - Open cluster M46 and planetary nebula NGC 2438 - M46 (NGC 2437) is an age cluster located at 5400 years - light. It contains about 500 stars, 150 of which are brilliant. It is about 300 million years old. The planetary nebula NGC 2438 does not appear to belong to this cluster, and must be closer although its distance is unknown. Image obtained by Siding Spring's 3.9m telescope The open cluster NGC 2437 (M46) has an angular diameter of almost half a degree and is quite beautiful in even quite a modest telescope. It has an integrated magnitude of about 6 and so is on the threshold of naked - eye visibility. The cluster is quite old as these things go, about 300 million light years. It is about 5000 light years distant, in the northern part of the constellation of Puppis. Although planetary nebula distances are notoriously difficult to measure, NGC 2438 seems to be in the foreground and is not connected to the cluster. Planetaries are in an

Star cluster M46 and planetary nebula NGC 2438 - Open cluster M46 and planetary nebula NGC 2438 - M46 (NGC 2437) is an age cluster located at 5400 years - light. It contains about 500 stars, 150 of which are brilliant. It is about 300 million years old. The planetary nebula NGC 2438 does not appear to belong to this cluster, and must be closer although its distance is unknown. Image obtained by Siding Spring's 3.9m telescope The open cluster NGC 2437 (M46) has an angular diameter of almost half a degree and is quite beautiful in even quite a modest telescope. It has an integrated magnitude of about 6 and so is on the threshold of naked - eye visibility. The cluster is quite old as these things go, about 300 million light years. It is about 5000 light years distant, in the northern part of the constellation of Puppis. Although planetary nebula distances are notoriously difficult to measure, NGC 2438 seems to be in the foreground and is not connected to the cluster. Planetaries are in an

PIX4568052

Open cluster NGC 5715 in the Compas - Open cluster NGC 5715 in Circinus - Image obtained by the Oschin telescope of Mount Palomar through several filters and composed

Open cluster NGC 5715 in the Compas - Open cluster NGC 5715 in Circinus - Image obtained by the Oschin telescope of Mount Palomar through several filters and composed

Vincent Toporenko

PIX4568256

Comete Machholz and the Pleiades Cluster - Comet Machholz passes near the Pleiades on January 7, 2005 - January 7, 2005

Comete Machholz and the Pleiades Cluster - Comet Machholz passes near the Pleiades on January 7, 2005 - January 7, 2005

Sebastian Voltmer

PIX4570414

Pleiades open cluster - The Pleiades star cluster - The Pleiades star cluster contains about 500 stars formed 100 million years ago. It is located 440 light years from Earth, in the constellation Taurus. Also visible on this cliche is the trace of the passage of an asteroid, the asteroid Laurentia. The Pleiades are about 440 light years from Earth in the constellation of Taurus. The cluster is dominated by hot blue stars, which have formed within the last 100 million years. The trace of asteroid 162 Laurentia, discovered in 1876, is visible in this image

Pleiades open cluster - The Pleiades star cluster - The Pleiades star cluster contains about 500 stars formed 100 million years ago. It is located 440 light years from Earth, in the constellation Taurus. Also visible on this cliche is the trace of the passage of an asteroid, the asteroid Laurentia. The Pleiades are about 440 light years from Earth in the constellation of Taurus. The cluster is dominated by hot blue stars, which have formed within the last 100 million years. The trace of asteroid 162 Laurentia, discovered in 1876, is visible in this image

Stephane Guisard

PIX4568824

Hyades and Pleiades open clusters - Hyades and Pleiades open clusters - The Hyades cluster, on the left, with the brilliant star Aldebaran. On the right, the Pleiades cluster. These two clusters belong to the constellation of the Taurus of which Aldebaran is the brightest star; it is a red giante. The Hyades is seen at left, containing the bright star Aldeberan. The Pleiades is at right. Both are open clusters in the constellation of Tauru

Hyades and Pleiades open clusters - Hyades and Pleiades open clusters - The Hyades cluster, on the left, with the brilliant star Aldebaran. On the right, the Pleiades cluster. These two clusters belong to the constellation of the Taurus of which Aldebaran is the brightest star; it is a red giante. The Hyades is seen at left, containing the bright star Aldeberan. The Pleiades is at right. Both are open clusters in the constellation of Tauru

Jerry Lodriguss

PIX4568751

Nebula VdB 4 in Cassiopee - Nebula VdB 4 in Cassiopeia - van den Bergh 4 is a reflexion nebula in the constellation Cassiopee. The adjacent dark nebulae and dust appear not to be cataloged

Nebula VdB 4 in Cassiopee - Nebula VdB 4 in Cassiopeia - van den Bergh 4 is a reflexion nebula in the constellation Cassiopee. The adjacent dark nebulae and dust appear not to be cataloged

Tom Davis

PIX4621717

Hyad cluster - Mel 25 - The Hyades cluster in Taurus - Mel 25, the Hyades, is an open cluster visible to the naked eye in the constellation Taurus. The red giant star Aldebaran is the brightest star in the image. On the left, the small open cluster NGC 1647. The Hyades is a beautiful open cluster in Taurus that is easily visible to the unaided - eye. Brilliant Aldeberan, a 0.9 magnitude red giant star, dominates the cluster which is located about 153 light years away. Smaller open cluster NGC 1647 is on the left in the image, some 45 acr minutes in diameter at magnitude 6.4

Hyad cluster - Mel 25 - The Hyades cluster in Taurus - Mel 25, the Hyades, is an open cluster visible to the naked eye in the constellation Taurus. The red giant star Aldebaran is the brightest star in the image. On the left, the small open cluster NGC 1647. The Hyades is a beautiful open cluster in Taurus that is easily visible to the unaided - eye. Brilliant Aldeberan, a 0.9 magnitude red giant star, dominates the cluster which is located about 153 light years away. Smaller open cluster NGC 1647 is on the left in the image, some 45 acr minutes in diameter at magnitude 6.4

Jerry Lodriguss

PIX4568911

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellations - Field around the constellations of Andromede and Cassiopee. From ancient times the constellation of Andromeda has represented a woman and in Greek mythology Andromeda was the daughter of Cepheus and Cassiopeia, king and boastful queen of the Phoenician kingdom of Ethiopia. As punishment for her mother's arrogance she was chained to a rock as a sacrifece to Cetus, then rescued by Perseus whom she subsequently married. The modern constellation is the 19th largest in the sky and covers about 720 square degrees but is not very obvious. The three brightest stars of Andromeda form a broad arc south of the distinctive 'W' of Cassiopeia, and under a dark sky the elongated shape of M32 is just visible to the unaided eye. This is by far the best - known object in the field. Best seen in the early evening in Novembe

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellations - Field around the constellations of Andromede and Cassiopee. From ancient times the constellation of Andromeda has represented a woman and in Greek mythology Andromeda was the daughter of Cepheus and Cassiopeia, king and boastful queen of the Phoenician kingdom of Ethiopia. As punishment for her mother's arrogance she was chained to a rock as a sacrifece to Cetus, then rescued by Perseus whom she subsequently married. The modern constellation is the 19th largest in the sky and covers about 720 square degrees but is not very obvious. The three brightest stars of Andromeda form a broad arc south of the distinctive 'W' of Cassiopeia, and under a dark sky the elongated shape of M32 is just visible to the unaided eye. This is by far the best - known object in the field. Best seen in the early evening in Novembe

PIX4589005

The Small Magellanic Cloud - The Small Magellanic Cloud - The Small Magellanic Cloud galaxy is about 240,000 light years away from Earth in the southern constellation of Toucan. It's one of the closest galaxies of the Lactee Way. Above the galaxy, the cluster of stars of Toucan. The Small Magellanic Cloud is an irregular galaxy located at about 240,000 light years distance from Earth in the constellation Tucanae, and is one of the closest galaxy of the milky way. The globular cluster 47 Tucanae appears in the upper part of the image

The Small Magellanic Cloud - The Small Magellanic Cloud - The Small Magellanic Cloud galaxy is about 240,000 light years away from Earth in the southern constellation of Toucan. It's one of the closest galaxies of the Lactee Way. Above the galaxy, the cluster of stars of Toucan. The Small Magellanic Cloud is an irregular galaxy located at about 240,000 light years distance from Earth in the constellation Tucanae, and is one of the closest galaxy of the milky way. The globular cluster 47 Tucanae appears in the upper part of the image

Christopher Picking

PIX4613356

Comete Holmes in Persee - Comet Holmes in Perseus - Comete of 6 images of comete 17P/Holmes in the constellation Persee from November 1, 2007 to March 6, 2008. Composite of 6 images of Comet 17P/Homes in constellation of Perseus from november 1st 2007 to march 6 2008

Comete Holmes in Persee - Comet Holmes in Perseus - Comete of 6 images of comete 17P/Holmes in the constellation Persee from November 1, 2007 to March 6, 2008. Composite of 6 images of Comet 17P/Homes in constellation of Perseus from november 1st 2007 to march 6 2008

Sebastian Voltmer

PIX4571052

Irregular Galaxy of the Little Magellan Cloud (NGC 292) - The Small Magellanic Cloud - The galaxy of the Little Magellan Cloud is about 240,000 light years from Earth in the southern constellation of Toucan. It's one of the closest galaxies of the Lactee Way. Two globular clusters are visible on this image, on the right the Toucan cluster, on the left, the NGC 362 cluster. The Small Magellanic Cloud (SMC) is the second nearest galaxy to the Milky Way, (the LMC being the nearest) and is at the distance of about 240,000 light years. The shape of the SMC defies description and it is therefore classified as an 'irregular' galaxy. The large globular cluster at right is 47 Tucanae, while a smaller one at left is NGC 362. It is about 30,000 light years distant, twice as far away as 47 Tuc

Irregular Galaxy of the Little Magellan Cloud (NGC 292) - The Small Magellanic Cloud - The galaxy of the Little Magellan Cloud is about 240,000 light years from Earth in the southern constellation of Toucan. It's one of the closest galaxies of the Lactee Way. Two globular clusters are visible on this image, on the right the Toucan cluster, on the left, the NGC 362 cluster. The Small Magellanic Cloud (SMC) is the second nearest galaxy to the Milky Way, (the LMC being the nearest) and is at the distance of about 240,000 light years. The shape of the SMC defies description and it is therefore classified as an 'irregular' galaxy. The large globular cluster at right is 47 Tucanae, while a smaller one at left is NGC 362. It is about 30,000 light years distant, twice as far away as 47 Tuc

PIX4613329

Open cluster of Pleiades seen in infrared - The Pleiades open cluster seen in infrared - Clouds of dust in the Pleiades cluster seen in infrared by the Spitzer space telescope. The Pleiades star cluster contains about 500 stars formed 100 million years ago. It is located 440 light years from Earth, in the constellation Taurus. The Pleiades, located more than 400 light - years away in the Taurus constellation, is a star cluster born when dinosaurs still roamed the Earth, about 100 million years ago. It is significantly younger than our 5 - billion - year - old sun. The brightest members of the cluster, also the highest - mass stars, are known in Greek mythology as two parents, Atlas and Pleione, and their seven daughters, Alcyone, Electra, Maia, Merope, Taygeta, Celaeno and Asterope. There are thousands of additional lower - mass members, including many stars like our sun. Some scientists believe that our sun grew up in a crowded region like the Pleiades, before migrating to its present

Open cluster of Pleiades seen in infrared - The Pleiades open cluster seen in infrared - Clouds of dust in the Pleiades cluster seen in infrared by the Spitzer space telescope. The Pleiades star cluster contains about 500 stars formed 100 million years ago. It is located 440 light years from Earth, in the constellation Taurus. The Pleiades, located more than 400 light - years away in the Taurus constellation, is a star cluster born when dinosaurs still roamed the Earth, about 100 million years ago. It is significantly younger than our 5 - billion - year - old sun. The brightest members of the cluster, also the highest - mass stars, are known in Greek mythology as two parents, Atlas and Pleione, and their seven daughters, Alcyone, Electra, Maia, Merope, Taygeta, Celaeno and Asterope. There are thousands of additional lower - mass members, including many stars like our sun. Some scientists believe that our sun grew up in a crowded region like the Pleiades, before migrating to its present

PIX4568892

Constellation Cancer - Cancer constellation - At the top right, the star Pollux des Gemeaux. Cancer (the Crab) is a rather small constellation of 506 square degrees without any bright stars, however, the stick figure above strongly hints at a crab - like shape. The ecliptic runs through the middle of the main stars, which makes it one of the 12 zodiacal constellations. It is best seen in the early evening in March. The most obvious feature in the image above is the large open cluster Messier 44, also known as Praesepe, which appears to the unaided eye as a fuzzy patch. It is easly resolved into numerous faint stars in binoculars, hence its popular name, the Beehive cluster. Although inconspicuous, the constellation gave its name to the Tropic of Cancer. In ancient times Cancer was where the Sun appeared at its maximum mid - day elevation at the time of the (northern) summer solstice. Because of the precession of the equinoxes the northern summer solstice now occurs when the Sun is in T

Constellation Cancer - Cancer constellation - At the top right, the star Pollux des Gemeaux. Cancer (the Crab) is a rather small constellation of 506 square degrees without any bright stars, however, the stick figure above strongly hints at a crab - like shape. The ecliptic runs through the middle of the main stars, which makes it one of the 12 zodiacal constellations. It is best seen in the early evening in March. The most obvious feature in the image above is the large open cluster Messier 44, also known as Praesepe, which appears to the unaided eye as a fuzzy patch. It is easly resolved into numerous faint stars in binoculars, hence its popular name, the Beehive cluster. Although inconspicuous, the constellation gave its name to the Tropic of Cancer. In ancient times Cancer was where the Sun appeared at its maximum mid - day elevation at the time of the (northern) summer solstice. Because of the precession of the equinoxes the northern summer solstice now occurs when the Sun is in T

PIX4589441

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellations - Field around the constellations of Andromede and Cassiopee. Star field around constellations of Andromeda and Cassiopeia

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellations - Field around the constellations of Andromede and Cassiopee. Star field around constellations of Andromeda and Cassiopeia

PIX4588948

Constellation Persee - Perseus constellation

Constellation Persee - Perseus constellation

Alex Conu

PIX4571676

Open cluster Trumpler 5 in Unicorn - Open cluster Trumpler 5 in Monoceros - Trumpler 5 is a cluster of stars aged 125 million years. Image obtained by Siding Spring's 3.9m telescope As they age, open clusters of stars begin to lose their identity. This is partly because the brighter members tend to self - destruct as supernovae, and, though the group members share a common motion through space, they are only loosely bound. Thus stars drift away from the cluster in a process that accelerates with time. However, some clusters are big enough to retain their identity much longer than usual, and Trumpler 5 is one such. Its age is estimated to be 125 million years, and it must have been a spectacular sight in its youth. It seems to be at the edge of the Monoceros molecular cloud, where star formation is continuing new generations of young clusters

Open cluster Trumpler 5 in Unicorn - Open cluster Trumpler 5 in Monoceros - Trumpler 5 is a cluster of stars aged 125 million years. Image obtained by Siding Spring's 3.9m telescope As they age, open clusters of stars begin to lose their identity. This is partly because the brighter members tend to self - destruct as supernovae, and, though the group members share a common motion through space, they are only loosely bound. Thus stars drift away from the cluster in a process that accelerates with time. However, some clusters are big enough to retain their identity much longer than usual, and Trumpler 5 is one such. Its age is estimated to be 125 million years, and it must have been a spectacular sight in its youth. It seems to be at the edge of the Monoceros molecular cloud, where star formation is continuing new generations of young clusters

PIX4569009

Star cluster M46 and planetary nebula NGC 2438 - Open cluster M46 and planetary nebula NGC 2438 - M46 (NGC 2437) is an age cluster located at 5400 years - light. It contains about 500 stars, 150 of which are brilliant. It is about 300 million years old. The planetary nebula NGC 2438 does not appear to belong to this cluster, and must be closer although its distance is unknown. M46 (NGC 2437) is at a distance of about 5,400 light - years away from Earth with an estimated age of about 300 million years. It contains about 500 stars of which 150 are bright. Planetary nebula NGC 2438 (top) doesn't seem to belong to the cluster

Star cluster M46 and planetary nebula NGC 2438 - Open cluster M46 and planetary nebula NGC 2438 - M46 (NGC 2437) is an age cluster located at 5400 years - light. It contains about 500 stars, 150 of which are brilliant. It is about 300 million years old. The planetary nebula NGC 2438 does not appear to belong to this cluster, and must be closer although its distance is unknown. M46 (NGC 2437) is at a distance of about 5,400 light - years away from Earth with an estimated age of about 300 million years. It contains about 500 stars of which 150 are bright. Planetary nebula NGC 2438 (top) doesn't seem to belong to the cluster

Jim Misti

PIX4568059

Constellation of the Berenice Hair - Constellation of Coma Berenices - The constellation of the Berenice Hair contains a cluster of stars, Melotte 111. Coma Berenice's (Berenices Hair) would be as insignificant as many of Lacaille's southern sky inventions if it were not for the subtle but distinctive Coma Star Cluster (Melotte 111), 270 light years away. The constellation's name alludes to the flowing hair of Queen Berenices of Egypt, allegedly cut off in gratitude for the safe return of her husband from some military escapade. This constellation was once considered to be part of Leo, where the hairy smudge of the open cluster was regarded as the tuft of the lion's tail. Melotte 111 is a large, open cluster of stars ranging between 5th magnitude (barely visible) to 10th magnitude, 100 times fainter. It extends over 5 degrees and despite the faintness of its constituent stars is clearly visible as a hazy patch in an otherwise undistinguished part of the sky. Coma is the direction of th

Constellation of the Berenice Hair - Constellation of Coma Berenices - The constellation of the Berenice Hair contains a cluster of stars, Melotte 111. Coma Berenice's (Berenices Hair) would be as insignificant as many of Lacaille's southern sky inventions if it were not for the subtle but distinctive Coma Star Cluster (Melotte 111), 270 light years away. The constellation's name alludes to the flowing hair of Queen Berenices of Egypt, allegedly cut off in gratitude for the safe return of her husband from some military escapade. This constellation was once considered to be part of Leo, where the hairy smudge of the open cluster was regarded as the tuft of the lion's tail. Melotte 111 is a large, open cluster of stars ranging between 5th magnitude (barely visible) to 10th magnitude, 100 times fainter. It extends over 5 degrees and despite the faintness of its constituent stars is clearly visible as a hazy patch in an otherwise undistinguished part of the sky. Coma is the direction of th

PIX4589943

Nebula LDN 988 in the Swan - LDN 988 nebula in Cygnus - Region around the dark nebula LDN 988 in the Swan. Area around the dark nebula LDN 988 with two blue reflection nebulae GN 21.01.3 and LBN 409. The emission nebula in the upper right of the image near the open cluster NGC 7031 seems uncataloged. Another interesting object is [C86] L988a. This is a looped nebula in LDN988. Sh2 - 120 and 121 are the two small HII regions left of center. Faint dust makes some of the background appear blue from reflection

Nebula LDN 988 in the Swan - LDN 988 nebula in Cygnus - Region around the dark nebula LDN 988 in the Swan. Area around the dark nebula LDN 988 with two blue reflection nebulae GN 21.01.3 and LBN 409. The emission nebula in the upper right of the image near the open cluster NGC 7031 seems uncataloged. Another interesting object is [C86] L988a. This is a looped nebula in LDN988. Sh2 - 120 and 121 are the two small HII regions left of center. Faint dust makes some of the background appear blue from reflection

Tom Davis

PIX4621610

Conjunction Lune Pleiades - Moon near Pleiades - La Lune cendree near the Pleiades cluster seen in Brittany on 30 June 2008. Moon with earthshine near the Pleiades star cluster. June 30 2008

Conjunction Lune Pleiades - Moon near Pleiades - La Lune cendree near the Pleiades cluster seen in Brittany on 30 June 2008. Moon with earthshine near the Pleiades star cluster. June 30 2008

Laurent Laveder

PIX4587958

Old open cluster NGC 2818 and planetary nebula NGC 2818A - Old Open cluster NGC 2818 and planetary nebula in Pyxis - The open cluster NGC 2818 in the southern constellation of the Compsole is distinguished by the fact that most of its bright stars have already become supernovae; this indicates that this cluster must be very old, perhaps a billion years. It has a planetary nebula, NGC 2818A, a star at the end of life. These objects are located approximately 10,000 light years away from Earth. The open cluster NGC 2818 is not very conspicuous because most of the brilliant, massive stars that normally distinguish such groupings have vanished as supernovae, indicating that the cluster is quite mature. The massive stars dominating the scene in young clusters leaving the fainter, long - lived stars behind. Eventually, they too come to the end of their lives, throwing off their outer layers as planetary nebulae. This one, identified as NGC 2818A, is particularly graceful, and its existence su

Old open cluster NGC 2818 and planetary nebula NGC 2818A - Old Open cluster NGC 2818 and planetary nebula in Pyxis - The open cluster NGC 2818 in the southern constellation of the Compsole is distinguished by the fact that most of its bright stars have already become supernovae; this indicates that this cluster must be very old, perhaps a billion years. It has a planetary nebula, NGC 2818A, a star at the end of life. These objects are located approximately 10,000 light years away from Earth. The open cluster NGC 2818 is not very conspicuous because most of the brilliant, massive stars that normally distinguish such groupings have vanished as supernovae, indicating that the cluster is quite mature. The massive stars dominating the scene in young clusters leaving the fainter, long - lived stars behind. Eventually, they too come to the end of their lives, throwing off their outer layers as planetary nebulae. This one, identified as NGC 2818A, is particularly graceful, and its existence su

PIX4622981

Comete Hale - Bopp and clusters open M34 - 04/1997 - Comet Hale - Bopp with open cluster M34 - This is the beautiful Comet Hale - Bopp as it as it passed by (from our point of view) the star cluster M34 in April of 1997. The solid portion or nucleus of the comet is made up of ice, frozen gases, dust and small rock. Compared to most comets Hale - Bopp is very large - about 35 kilometers in diameter. As its orbit brought it closer to the sun, the frozen mass began to melt and a coma, which is a gaseous cloud, developed around the nucleus. This coma has grown to be hundreds of thousands of miles in diameter. Finally the tail developed which became millions of miles long. (4 min. exposure on Kodak Pro 400 PPF film with 8 inch f/1.5 Schmidt camera

Comete Hale - Bopp and clusters open M34 - 04/1997 - Comet Hale - Bopp with open cluster M34 - This is the beautiful Comet Hale - Bopp as it as it passed by (from our point of view) the star cluster M34 in April of 1997. The solid portion or nucleus of the comet is made up of ice, frozen gases, dust and small rock. Compared to most comets Hale - Bopp is very large - about 35 kilometers in diameter. As its orbit brought it closer to the sun, the frozen mass began to melt and a coma, which is a gaseous cloud, developed around the nucleus. This coma has grown to be hundreds of thousands of miles in diameter. Finally the tail developed which became millions of miles long. (4 min. exposure on Kodak Pro 400 PPF film with 8 inch f/1.5 Schmidt camera

B&S.Fletcher

PIX4569806

Constellations du Cancer a Persee - Constellations from Cancer to Perseus - At the end of the summer, before the end of the night, beautiful constellations spread from the bottom up: Cancer and its beautiful cluster of stars, the Little Dog on the right, then the Gemels, the Coach and finally Persee. 12 September 2007 At the end of summer, before the end of the night, some nice constellations are visible from bottom to top: the Cancer and its nice star cluster, Canis Minor on the right, then Gemini, Auriga and Perseus. September 12 200

Constellations du Cancer a Persee - Constellations from Cancer to Perseus - At the end of the summer, before the end of the night, beautiful constellations spread from the bottom up: Cancer and its beautiful cluster of stars, the Little Dog on the right, then the Gemels, the Coach and finally Persee. 12 September 2007 At the end of summer, before the end of the night, some nice constellations are visible from bottom to top: the Cancer and its nice star cluster, Canis Minor on the right, then Gemini, Auriga and Perseus. September 12 200

Laurent Laveder

PIX4594863

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellations - Star sky around the constellations of Andromede and Cassiopee. 16/10/2007. Starry sky above an oak. October 16, 200

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellations - Star sky around the constellations of Andromede and Cassiopee. 16/10/2007. Starry sky above an oak. October 16, 200

Laurent Laveder

PIX4588938

Conjunction Lune Pleiades - Moon near Pleiades - La Lune cendree near the Pleiades cluster seen in Brittany on 30 June 2008. Moon with earthshine near the Pleiades star cluster. June 30 2008

Conjunction Lune Pleiades - Moon near Pleiades - La Lune cendree near the Pleiades cluster seen in Brittany on 30 June 2008. Moon with earthshine near the Pleiades star cluster. June 30 2008

Laurent Laveder

PIX4587942

Etoile Merope in the Pleiades cluster - M45 - The Merope Nebulosity and IC 349 - Close up on the star Merope des Pleiades and its nebulosite. Image obtained with a telescope of 30 cm; 6h30 total installation. Star Merope in Pleiades star cluster seen on this 6 hours 30 minutes cumulative exposure

Etoile Merope in the Pleiades cluster - M45 - The Merope Nebulosity and IC 349 - Close up on the star Merope des Pleiades and its nebulosite. Image obtained with a telescope of 30 cm; 6h30 total installation. Star Merope in Pleiades star cluster seen on this 6 hours 30 minutes cumulative exposure

R. Gendler

PIX4568868

Globular cluster 47 Toucan - The globular cluster 47 Tucanae NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the older stars known today. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies

Globular cluster 47 Toucan - The globular cluster 47 Tucanae NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the older stars known today. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies

D. De Martin

PIX4564299

Constellation of Belier - Constellation of Aries - Constellation of Belier and clusters of Pleiades (in the Taurus). Although inconspicuous, Aries is one of the constellations of the zodiac and from ancient times has been represented by a ram, the same ram whose golden fleece was sought by Jason and the Argonauts in the great ship Argo Navis. For more than 2000 years it also of astronomical importance because it was the constellation where the Sun crossed the celestial equator (ecliptic) each year at the vernal equinox, marking the first point in Aries from which right ascension is measured. Precession has now carried this point into Pisces. The constellation is the 39th largest in the sky and covers about 440 square degrees. The best - known object in this field is the Pleiades star cluster (M45 in Taurus)

Constellation of Belier - Constellation of Aries - Constellation of Belier and clusters of Pleiades (in the Taurus). Although inconspicuous, Aries is one of the constellations of the zodiac and from ancient times has been represented by a ram, the same ram whose golden fleece was sought by Jason and the Argonauts in the great ship Argo Navis. For more than 2000 years it also of astronomical importance because it was the constellation where the Sun crossed the celestial equator (ecliptic) each year at the vernal equinox, marking the first point in Aries from which right ascension is measured. Precession has now carried this point into Pisces. The constellation is the 39th largest in the sky and covers about 440 square degrees. The best - known object in this field is the Pleiades star cluster (M45 in Taurus)

PIX4589193

Comet C/2014 Q2 Lovejoy - The Lovejoy C/2014 Q2 comet near the Pleiades cluster. January 2015. Here is the comet doing a nice flyby with the star cluster M45 The Pleiades

Comet C/2014 Q2 Lovejoy - The Lovejoy C/2014 Q2 comet near the Pleiades cluster. January 2015. Here is the comet doing a nice flyby with the star cluster M45 The Pleiades

PIX4571272

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