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・ NGC 27
・ NGC 2715
・ NGC 2736
・ NGC 2748
・ NGC 2770
・ NGC 2775
・ NGC 278
・ NGC 2787
・ NGC 28
・ NGC 2808
・ NGC 281
・ NGC 2812
・ NGC 2818
・ NGC 2841
・ NGC 2841 group
NGC 2857
・ NGC 2859
・ NGC 2867
・ NGC 288
・ NGC 289
・ NGC 2899
・ NGC 290
・ NGC 2903
・ NGC 2915
・ NGC 296
・ NGC 2976
・ NGC 2997
・ NGC 2997 Group
・ NGC 3
・ NGC 30


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NGC 2857 : ウィキペディア英語版
NGC 2857

NGC 2857 (also known as Arp 1 and PGC 26666) is a spiral galaxy in the constellation Ursa Major. It was discovered on January 9, 1856 by R. J. Mitchell.〔
NGC 2857 is the first object in Halton Arp's Atlas of Peculiar Galaxies, and one of six Arp objects in the 'Low Surface Brightness Galaxies' section. The other five low surface brightness galaxies are Arp 2 (UGC 10310), Arp 3, Arp 4, Arp 5 (NGC 3664), and Arp 6 (NGC 2537).
==Supernova 2012fg==
On October 10, 2012, Supernova 2012fg was observed in NGC 2857 by the MASTER-Kislovodsk auto-detection system. Its absolute magnitude was calculated to be -19.8. The spectrum of SN 2012fg was recorded and analyzed by multiple teams of scientists as it changed rapidly in the days following its detection.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「NGC 2857」の詳細全文を読む



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