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Type: galaxy, Sc
Mag: B=12.2, V=?
Size: 2.57′ x 2.454′
Synonyms: H II-275
Discovered in 1784 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "pB, cL, iR."
The RNGC (Sulentic and Tifft 1973) notes that this is a 12.0 mag galaxy. Their coded description reads R,BM,F SSTR SUSP VDIFKN PERIPH.
Steve Coe, observing with a 13" f/5.6, notes: "Pretty bright, pretty large, much brighter in the middle, round at 220X."
AJ Crayon, using an 8" f/6 Newtonian, notes: "is a spiral galaxy. At 100X it is 3' 12.3m has a very low surface brightness and there are 4 bright stars to west. The sizes and magnitudes are visual estimates."
The Messier objects
The Bennett objects
The Caldwell list
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