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RA: 12h 59m 8.9s
Dec: +37° 18′ 37″
Con: Canes Venatici
Ch: MSA:631, U2:108, SA:7
Type: galaxy, Sa
Mag: B=12.9, V=?
Size: 1.548′ x 1.412′
Synonyms: H II-644
Discovered in 1787 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "pB, S, R, mbM, among scattered stars."
Burnham calls it a 13.1 mag spiral galaxy in Canes Venatici, measuring 1.1' x 1.0', which is pretty bright, small, round and much brighter in the middle.
The RNGC (Sulentic and Tifft 1973) notes that this is a 13.0 mag galaxy. Their coded description reads S,R,HISB,BWDARMNORTH POOR SOUTH ARM,*SUP.
POSS: m11 * 1'.0 N; m14 * 29" SW. blotchy-round, can't see elongs given in
UGC: no pa.
15cm - in dk sky is in pa15, 1'.5x1'. * on N edge.
25cm - round 1' diam in dk sky. not much brtr to center, sm broadly concen core.
m14 * on SW edge.
30cm - fntr than N4914. located just S of m12.5 *. 149x: pa40, * on SW edge.
238x: halo in pa20, 1'.5x1'; core broad in pa40. * SW is in neb.
The Messier objects
The Bennett objects
The Caldwell list
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