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NGC 6496
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NGC 6496 is a globular cluster which is in the direction of the bulge. NGC 6496 lies in the Southern sky at RA=17:59:03.68 and Dec=-44:15:57.4. Read more
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NGC 6534
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NGC 6534 is a lost object located in the constellation Draco. The object is positioned 37' south of NGC 6536 The object was observed by American astronomer Lewis A. Swift using a 40.6 cm (16 inch) Alvan Clark and Sons refractor at the Warner Observatory, East Avenue, Rochester, New York, on the 28th J...
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NGC 6652
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Title: An Examination of the X-ray Sources in the Globular Cluster NGC 6652 Authors: W. S. Stacey (1), C. O. Heinke (1), H. N. Cohn (2), P. M. Lugger (2), A. Bahramian (1) ((1) University of Alberta, (2) Indiana University) We observed the globular cluster NGC 6652 with Chandra for 47.5 ks, detecting s...
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NGC 6507
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NGC 6507 (also OCL 32) is a magnitude +9.6 open star cluster located 4,000 light-years away in the constellation Sagittarius. 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, Slough, on the 27th June 1...
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NGC 6546
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NGC 6546 (also ESO 521-SC29, Collinder 365 and OCL 24) is a magnitude +8.0 open star cluster located 3,000 light-years(?) away in the constellation Sagittarius. The open cluster consists of about 150 stars, with the brightest central stars of magnitude +10.6 The cluster was discovered by Britis...
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NGC 6852
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NGC 6852 (also PK 42-14.1, IRAS 19581+0135, and WD 1958+015) is a magnitude +12.6 planetary nebula located in the constellation Aquila. The central star is at magnitude +17.9 The planetary nebula was discovered by German astronomer Albert Marth using a 121.92 cm (48 inch) speculum reflector at W...
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IC 1275
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IC 1275 (also Sharpless 2-031) is a magnitude +12.6(?) emission nebula located in the constellation Sagittarius. The nebula was discovered by German astronomer Edward Emerson Barnard using a 15.24 cm (6 inch) refractor on the 25th June 1892. Right Ascension 18h 10m 07.0s, Declination -23° 45' 4...
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IC 1274
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Title: The Young Cluster in IC 1274 Authors: S. E. Dahm, G. H. Herbig, Brendan P. Bowler IC 1274 is a faintly luminous nebula lying on the near surface of the Lynds 227 (L227) molecular cloud. Four luminous, early-type (B0-B5) stars are located within a spherical volume ~5' in diameter that appears to...
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NGC 6624
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NGC 6624 (also ESO 457-SC11 and GCL 93) is a magnitude +7.6 globular cluster located 25800 ±1100 light-years away in the constellation Sagittarius. The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Datche...
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Messier 23
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Messier 23 (also M23, NGC 6494 and OCL 30) is a magnitude +6.9 open star cluster located 2,150 light-years away in the constellation Sagittarius. The cluster was discovered by French astronomer Charles Messier on the 20th June 1764. Right Ascension 17h 56m 56s, Declination -19° 00' 42" Read...
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Messier 26
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Messier 26 (also M26, NGC 6694 and OCL 67) is a magnitude +8.0 open star cluster located 5,000 light-years away in the constellation Scutum. The cluster was discovered by French astronomer Charles Messier on the 20th June 1764. Right Ascension 18h 45m 15.0s, Declination -09° 23' 06" Read mor...
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NGC 7226
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NGC 7226 (also OCL 226) is a magnitude +9.6 open star cluster located 8,500 light-years away in the constellation Coma Berenices. The cluster was discovered by American astronomer Edward Singleton Holden using a 39.62 cm (15.6 inch) f/15.6 Clark-refractor at the Washburn Observatory on the 20t...
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Kronberger 61
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Gemini Image Captures Elegant Beauty of Planetary Nebula Discovered by Amateur Astronomer In a partnership between amateur and professional astronomers, the recent discovery of a dying star's last gasps could help resolve a decades-old debate among astronomers. That is, are stellar companio...
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NGC 6356
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NGC 6356 (also ESO 588-SC1 and GCL 62) is a magnitude +8.2 globular star cluster located 24,400 light-years away in the constellation Ophiuchus. The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) reflecting telescope at Datchet, Berkshire, on t...
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NGC 5391
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NGC 5391 is a lost or non-existent object in the constellation Canes Venatici. The object was discovered by American astronomer Lewis A. Swift using a 40.6 cm (16 inch) Alvan Clark and Sons refractor at the Warner Observatory, East Avenue, Rochester, New York, on the 16th June 1884. Subsequent obs...
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