Special Notice #230: Nova Sagittarii 2011 = PNV J17474639-2335112 [V5587 Sgr]
January 31, 2011: Central Bureau for Astronomical Telegrams Electronic Telegram No. 2644 (CBET 2644, Daniel W. E. Green, ed.) announces the discovery by Hideo Nishimura, Miyawaki, Kakegawa, Shizuoka-ken, Japan (reported by S. Nakano, Sumoto, Japan), of a nova [V5587 Sgr] in Sagittarius on 2011 Jan. 25.86 UT at unfiltered magnitude 11.2 on two 15-s CCD frames with limiting magnitude 12.5; Nakano measured magnitude 11.4 +/- 0.6 on Nishimura's frames.