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NGC 2170
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NGC 2170 (also LBN 994 and Magakian 173) is a magnitude +10.2 reflection nebula located 2,700 light-years away in the constellation Monoceros. The nebula is lit by a magnitude +10.38 blue (spectral class B1) star, SAO 132861. The star is a member of Monoceros OB association. The nebula is located at...
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NGC 2185
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NGC 2185 (also LBN 997 and Magakian 182) is a magnitude +13.6 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 at Datchet, Berkshire, on the 16th October 1784. Ri...
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NGC 2169
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NGC 2169, is an open cluster in the Orion constellation. It was discovered by Giovanni Batista Hodierna before 1654 and discovered by William Herschel on October 15, 1784. NGC 2169 is at a distance of about 3,600 light years away from Earth. It is nicknamed "The '37' Cluster" due to its str...
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NGC 7008
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NGC 7008 (also Fetus Nebula and PK 093+05.2) is a magnitude +12.0 planetary nebula located 2800 light-years away in the constellation Cygnus. The planetary nebula was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Windsor Road in...
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NGC 7296
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NGC 7296 (also NGC 7295 and OCL 228) is a magnitude +9.7 open cluster located in the constellation Lacerta. The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Windsor Road in Slough, Berkshire on the 14th October 1787. Th...
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IGR J17544-2619
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Title: IGR J17544-2619 in depth with Suzaku: direct evidence for clumpy winds in a supergiant fast X-ray transient Authors: Rachel A. Rampy, David M. Smith, Ignacio Negueruela (Version v2) We present the first direct evidence for dense clumps of matter in the companion wind in a Supergiant Fast X-...
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NGC 1555
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NGC 1555, sometimes known as Hind's Variable Nebula, is a variable nebula, illuminated by the star T Tauri, located in the constellation Taurus. Read more Hind's Variable Nebula ...
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NGC 7084
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NGC 7084 (also OCL 57) is a magnitude +9.2 group of stars located in the constellation Pegasus. The asterism was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Windsor Road in Slough, Berkshire on the 11th October 1825. Right Ascen...
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NGC 2141
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NGC 2141 (also Collinder 79 and OCL 487) is a magnitude +9.4 open star cluster located 13,154 light-years away in the constellation Orion. The open cluster was discovered by American astronomer Edward Emerson Barnard possibly using a 12.7 cm (5 inch) refracting telescope at the Vanderbilt Observ...
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IRAS 20056+3350
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Title: Trigonometric Distance and Proper Motion of IRAS 20056+3350: Massive Star Forming Region on the Solar Circle Author: Ross A. Burns, Takumi Nagayama, Toshihiro Handa, Toshihiro Omodaka, Akiharu Nakagawa, Hiroyuki Nakanishi, Masahiko Hayashi, Makoto Shizugami We report our measureme...
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HESS J1731-347
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Title: Suzaku Observations of the Non-thermal Supernova Remnant HESS J1731-347 Authors: Aya Bamba (1), Gerd Puehlhofer (2), Fabio Acero (3), Dmitry Klochkov (2), Wenwu Tian (4,5), Ryo Yamazaki (1), Zhiyuan Li (6), Dieter Horns (7), Karl Kosack (8), Nukri Komin (9) ((1) Aoyama Gakuin U., (2) U. Tu...
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NGC 7772
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NGC 7772 (also OCL 230) is a magnitude +12.0 open star cluster located in the constellation Pegasus. The cluster was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Windsor Road in Slough, Berkshire, on the 7th October 1825. Right A...
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IC 5068
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IC 5068 Emission nebula near the bright star Deneb in Cygnus. Image captured with a 100mm f5 refractor. Canon eos 350, 20 seconds 1SO 1600. Prime focus
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NGC 6995
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NGC 6995 (also The Eastern Veil, Caldwell 33 and Ced 182C) is a magnitude +7.0 supernova remnant located 1,470 light-years away in the constellation Cygnus. The supernova remnant was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at...
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Messier 11
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The "Wild Duck" Star Cluster Compact and rich, the "Wild Duck Cluster" is perhaps the finest open star cluster visible to backyard astronomers. Read more
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