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NGC 2841
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This X-ray/optical composite image of the large spiral galaxy NGC 2841[img]http://static.flickr.com/54/108769498_a768775e44_o.jpg[/...
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NGC 2356
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NGC 2356 (also NGC 2355, Mel 63, and OCL 496) is a magnitude +9.7 open star cluster containing about 50 stars (down to +14.0 mag) located 5,400 light years away in the constellation Gemini. The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 spe...
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NGC 2875
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NGC 2875 (part of NGC 2874) is a cluster of stars located in the constellation Leo. The stellar association was discovered by Irish astronomer Lawrence Parsons, 4th Earl of Rosse, using a 180 cm (72 inch) speculum reflector at Birr Castle on the 7th March 1874. Right Ascension 09h 25m 48.7s, Declina...
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NGC 3211
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NGC 3211 (also PK 286-4.1 and ESO 127-PN15) is a magnitude +10.7 planetary nebula located in the constellation Carina. The nebula was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Feldhausen, Claremont, Cape Town, on the 7th March 1837. Righ...
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NGC 2352
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NGC 2352 (also ESO 492 - 005) is an asterism located 5708 ±264 light-years away in the constellation Canis Major. The asterism was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Berkshire, on the on the 6th March 1785. Right...
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NGC 2354
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NGC 2354 (also OCL 639 and ESO 492-SC6) is a magnitude +6.5 open cluster located 13,324 light-years away in the constellation Canis Major. The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet, Berkshire, on the on...
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NGC 2362
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Title: NGC 2362: The Terminus of Star Formation Authors: S. E. Dahm NGC 2362 is a richly populated Galactic cluster, devoid of natal molecular gas and dust. The cluster represents the final product of the star forming process and hosts an unobscured and near-complete initial mass function. NGC 236...
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NGC 3766
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Title: The B and Be Star Population of NGC 3766 Authors: M. Virginia McSwain, Wenjin Huang, Douglas R. Gies, Erika D. Grundstrom, Richard H. D. Townsend We present multiple epochs of H-alpha spectroscopy for 47 members of the open cluster NGC 3766 to investigate the long term variability of its Be st...
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NGC 4755
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One of the brightest stars of the storied Southern Cross isn't a star at all, but splendid cluster of young stars aptly called the "Jewel Box". This star cluster, one of the treasures of the southern sky, is unforgettable in a small telescope. [url=http://www.oneminuteastronomer.com...
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NGC 6025
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NGC 6025 (also Collinder 296, Caldwell 95, OCL 939 and ESO 136-SC14) is a magnitude +5.1 open star cluster located 2,700 light years away in the constellation Triangulum Australe. The cluster was discovered by French astronomer Nicolas Louis de Lacaille using a 1.27 cm (0.5 inch), 8x magnificatio...
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Collinder 228
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Collinder 228 is young magnitude +4.4 large scattered cluster located 6523 light years away in the Carina complex. Collinder 228, has one of the major concentrations of O-type stars in the nearby Milky Way. The high-mass unevolved B1V + B1V eclipsing binary system DW Carinae is a member of the open c...
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G38.7-1.4
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Title: Identification campaign of supernova remnant candidates in the Milky Way. II. X-ray studies of G38.7-1.4 Author: R. H. H. Huang (National Tsing Hua University), J. H. K. Wu (National Tsing Hua University), C. Y. Hui (Chungnam National University), K. A. Seo (Chungnam National University...
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NGC 2440
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This image, taken by NASA's Hubble Space Telescope, shows the colourful "last hurrah" of a star like our Sun. The star is ending its life by casting off its outer layers of gas, which formed a cocoon around the star's remaining core. Ultraviolet light from the dying star makes the...
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NGC 2309
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NGC 2309 (also OCL 557 and Collinder 122) is a magnitude +10.5 open cluster located in the constellation Monoceros. The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector on the 4th March 1785. Right Ascension 06h 56m 03.6s, D...
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NGC 2316
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NGC 2316 (also NGC 2317 and LBN 1021) is a magnitude +7.4 emission and reflection nebula located in the constellation Monoceros. The nebula was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector on the 4th March 1785. The nebula was redis...
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