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Type: galaxy, SBbc
Mag: B=12.7, V=?
Size: 4.365′ x 3.162′
Synonyms: H I-148
Discovered in 1786 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "cB, cL, iR, bM."
The RNGC (Sulentic and Tifft 1973) notes that this is a 12.0 mag galaxy. Their coded description reads SB,ELRG,2BWDARMS.
Photo Index by Jim Lucyk: Sky&Tel. 11/79 p396, Astronomy mag. 6/85 p78, Deep Sky Monthly 5/81 p6, Deep Sky #23 Su88 p25.
Tom Lorenzin, in the e-version of "1000+ The Amateur Astronomers' Field Guide to Deep Sky Observing", notes: "12M; 4' x 3.5' diameter; soft glow with much brighter center; not quite round; in a group of small stars; 12M star 75" SSW of core."
Steve Coe, observing with a 13" f/5.6, notes: "Pretty bright, little elongated, bright middle, bar structure with averted vision at 165X."
Observing site: Little Tycho Observatory
[15h 21m 54s, 5° 4m 0s] A faint haze near a 12mv star.
The Messier objects
The Bennett objects
The Caldwell list
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