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Type: galaxy, Sa...
Mag: B=12.7, V=11.85
Size: 3.09′ x 1.38′
PA: 104°
Discovered by John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "faint, pretty large, round, gradually little brighter in the middle; 45 arcseconds." His second observation was recorded as "faint, pretty large, slightly elongated, very gradually little brighter in the middle; 50 arcseconds."
Photo Index by Jim Lucyk: Cat.of South.Peculiar Gal.and Ass. Vol 2 (Arp&Madore, 1987) p12.5.
Burnham calls this a 12.7 mag spiral galaxy in Centaurus, 1' x 0.8', faint, pretty large, very slightly elongated and very gradually a little brighter in the middle.
The RNGC (Sulentic and Tifft 1973) notes that this is a galaxy. Their coded description reads S,HISB,MINC,BARSUSP DIFPERIPH.
Sandage (1975(Astrophysical Journal, 202, 563-582) notes that this galaxy is a member of the IC 4296 Group. Members include NGC 5140, IC 4296, IC 4299, ESO 383-G 30, ESO 383-G 45 & ESO 383-G 49. Possible additional members include NGC 5161, NGC 5188 & NGC 5193.
Lacaille's catalogue
The Messier objects
Dunlop's catalogue
The Bennett objects
The Caldwell list
Named DSOs
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