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| User galleriesThis category contains albums that belong to our contributors. |
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| Collaborative ImagesA selection of images with more than one contributor. Co-operation and collaboration can bring a great benefit to any project. Astrophotography lends itself to collaborative efforts in a very real sense. |
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| 60 files in 16 albums and 2 categories with 0 comments viewed 3390 times |
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B33 The HorseHead Nebula55 viewsB33 The HorseHead Nebula B33 HA (R+HA G,B) 240:240:90:120 . I was very happy the way this image turned out well all most happy :<))
The Horsehead Nebula (also known as Barnard 33 in bright nebula IC 434) is a dark nebula in the constellation Orion. The nebula is located just below Alnitak, the star furthest left on Orion's Belt, and is part of the much larger Orion Molecular Cloud Complex. It is approximately 1500 light years from Earth
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NGC 2246 The rosette Nebula in the Constellation Monoceros41 viewsNGC 2246 The rosette Nebula in the Constellation Monoceros The Rosette Nebula is a large, circular H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open cluster NGC 2244 is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter
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M13 - The Great Cluster In Hercules24 viewsThis was my first ever deep sky image taking on the 1 June 2006, Balbriggan Co.Dublin. David Grennan and Myself were testing My new 14" OTA with a 6.3 focal reducer at the time .
M13 was discovered by Edmond Halley in 1714, and catalogued by Charles Messier on June 1, 1764. M13 is about 145 light-years in diameter, and it is composed of several hundred thousand stars, the brightest of which is the variable star V11 with an apparent magnitude of 11.95. M13 is 25,100 light-years away from Earth.
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Pelican Nebula35 viewsThe Pelican Nebula (also known as IC5070 and IC5067) is an H II region associated with the North America Nebula in the constellation Cygnus. The nebula resembles a pelican in shape, hence the name. The Pelican Nebula is a large area of emission nebula in the constellation Cygnus (the Swan), close to Deneb
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IC 1396 The Elephant Trunk Nebula in Cepheus42 viewsIC 1396 The Elephant Trunk Nebula in Cepheus HA (R+HA G,B) 240:240:120:120.
The Elephant's Trunk nebula is a concentration of interstellar gas and dust in the star cluster IC 1396 and ionized gas region located in the constellation Cepheus about 2,400 light years away from Earth
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Melotte15 Inside The Heart Nebula50 viewsThe Heart Nebula, IC 1805, lies some 7500 light years away from Earth and is located in the Perseus arm of the Galaxy in the constellation Cassiopeia. This is an emission nebula showing glowing gas and darker dust lanes. The nebula is formed by plasma of ionized hydrogen and free electrons.
The nebula's intense red output and its configuration are driven by the radiation emanating from a small group of stars near the nebula's center. This open cluster of stars known as Melotte 15 contains a few bright star
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Pipe Nebula in Ophiuchus39 viewsThis is a shot of the 'Pipe Nebula' region in the southern part of the Constellation Ophiuchus. Although this area only rises 15 degress above the southern horizon, this is a fabulous region of the summer milkyway to observe, with a wealth of many Bernard dark nebula, starclusters and globular clusters.
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NGC 6888 The Crescent Nebula43 viewsThe Crescent Nebula is an emission nebula in the Cygnus constellation, about 5000 light years away. It is formed by the fast stellar wind from the Wolf-Rayet star WR 136 (HD 192163) colliding with and energizing the slower moving wind ejected by the star when it became a red giant around 400,000 years ago. The result of the collision is a shell and two shock waves, one moving outward and one moving inward. The inward moving shock wave heats the stellar wind to X-ray emitting temperatures
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Large Sagitarius Starcloud38 viewsThe Large Sagittarius Starcloud is the brightest visual part of our Milkyway galaxy. Unfortunately, it rises quite low in the south from Irelan, being only best visible during the summer months and during the shortes nights. Another fabulous region of the night sky with M8, the Lagoon Nebula a fine sight in any instrument. Feb 24, 2010
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Large Sagittarius Starcloud41 viewsThe Large Sagittarius Starcloud is the brightest visual part of our Milkyway galaxy. Unfortunately, it rises quite low in the south from Irelan, being only best visible during the summer months and during the shortes nights. Another fabulous region of the night sky with M8, the Lagoon Nebula a fine sight in any instrument. Feb 24, 2010
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Pipe Nebula Milkyway Region36 viewsThis is a shot of the 'Pipe Nebula' region in the southern part of the Constellation Ophiuchus. Although this area only rises 15 degress above the southern horizon, this is a fabulous region of the summer milkyway to observe, with a wealth of many Bernard dark nebula, starclusters and globular clusters.Feb 24, 2010
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Pipe Nebula in Ophiuchus39 viewsThis is a shot of the 'Pipe Nebula' region in the southern part of the Constellation Ophiuchus. Although this area only rises 15 degress above the southern horizon, this is a fabulous region of the summer milkyway to observe, with a wealth of many Bernard dark nebula, starclusters and globular clusters.Feb 24, 2010
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NGC 2903 - Galaxy in Leo67 viewsNGC 2903 is a spiral galaxy similar to our own Milky Way Galaxy. Similarities include its general size and a central bar. Further investigation has indicated that current star formation is most rampant in a 2000 light-year wide circumnuclear ring surrounding NGC 2903's center. Astronomers hypothesize that the gravity of the central bar expedites star formation in this ring. NGC 2903 lies about 25 million light-years away and is visible with a small telescope towards the constellation of Leo.Feb 17, 2010
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M35 - NGC 215868 viewsMESSIER 35 IS A FINE 5.3 MAGNITUDE STAR CLUSTER IN THE WINTER MILKYWAY LOCATED IN THE CONSTELLATION GEMINI AT APPROX. 2700 LIGHT YEARS DISTANT. THERE ARE SEVERAL HUNDRED STARS IN THS CLUSTER SPANNING THE SIZE OF A FULL MOON. CLOSEBY IS VISUAL NEIGHBOUR NGC2158 4 TIMES MORE DISTANT AND MUCH OLDER AT 1 BILLION YEARS OLD. A FINE SIGHT ON ANY CLEAR CRISP WINTER NIGHT.Feb 14, 2010
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M81-M82 GALXY GROUP72 viewsTHE M81-M82 GALAXY GROUP IS A FABULOUS VISUAL AND PHOTOGRAPHIC SIGHT IN OUR NIGHT SKY. LOCATED IN THE CONSTELLATION URSA MAJOR, THESE GALAXIES LIE AT 12 MILLION LIGHT YEARS FROM EARTH, AND HAVE BEEN PARTNERS IN A 'COSMIC DANCE' WITH EACH OTHER, THE EVIDENCE OF WHICH CAN BE SEEN IN THE CIGAR SHAPED M82 WHICH IS UNDERGOING MASSIVE STAR FORMATION DUE TO A CLOSE ENCOUNTER WITH M81 IN THE PAST. M81 IS 7TH MAGNITUDE VISUAL, M82 IS 8.4 MAGNITUDE VISUAL, AND BOTH ARE EASILY VISIBLE IN 10X50MM BINOCULARS.Feb 14, 2010
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Mars - 30th January 201038 viewsCollaboration by Carl and Dave.
Average Seeing.
CM = 26.9deg, Alt 58.5Feb 01, 2010
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