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Type: galaxy (HII), SBa...
Mag: B=12.62, V=?
Size: 2.137′ x 1.548′
Synonyms: H III-690
Discovered in 1787 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "vF, cS, iF, lbM."
The RNGC (Sulentic and Tifft 1973) notes that this is a 13.0 mag galaxy. Their coded description reads S,BM,DKLNS,DIF,PD.
The Messier objects
The Bennett objects
The Caldwell list
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