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RA: 15h 34m 49.2s
Dec: +28° 39′ 18.1″
Con: Corona Borealis
Ch: MSA:646, U2:112, SA:7
Type: galaxy, S
Mag: B=13.2, V=?
Size: 1.047′ x 1′
Synonyms: H II-399
Discovered in 1785 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "pF, pL, iR, bM, r."
The RNGC (Sulentic and Tifft 1973) notes that this is a 13.0 mag galaxy. Their coded description reads R,UHISB.
POSS: gx in pa10. 11' WSW of br *. m12.5 * 3'.9 E; m13 * 3'.3 NW; m14 * 1'.9 in pa190.
13cm - vsm hisfcbr unconcen spot. BS, 23Jun1984, USNO.
15cm - one guess. BS, Roof.
- vis @ 50x w/o diffic, fairly f @ 80x. 140x: oval elong SSE-NNW, 1'x0'.6 w/strong broad concen; no sharp center. m13.5-14 * 1'.5 S; m14.5-15 * 1' NW. BS, 14Apr1991, Anderson Mesa.
25cm - seen 11' W of m9 *, found @ 190x. pretty f, circ, 0'.6 diam. faintly gran texture. m12.5 *s 3' E & 2' NW.
30cm - smoothly concen, irreg halo up to 50" diam. core 15" across w/f *ing for nuc. elong N-S. m14 * 2' S. CBL.
- mod br spot elong approx N-S, 1'x0'.7. seems to have thin extensions to nrly circ fat core. core lg (40" across), mod broad concen w/modhisfcbr. occas *ar nuc sparkles. a few m14 *s w/in 21' radius. BS, 23Jun1984,
The Messier objects
The Bennett objects
The Caldwell list
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