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RA: 23h 44m 21.44s
Dec: +09° 56′ 3.6″
Ch: MSA:1231, U2:170, SA:17
Type: galaxy (Seyfert 2), SBa
Mag: B=12.9, V=?
Size: 2.818′ x 1.584′
Synonyms: H II-256
Discovered in 1784 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "F, R, gbM."
The RNGC (Sulentic and Tifft 1973) notes that this is a 12.5 mag galaxy. Their coded description reads R,SLEL,DIF,SBMTOBAR.
This galaxy appears on page 43 of "The Hubble Atlas of Galaxies" by Allan Sandage (1961, Washington, DC).
Photo Index by Jim Lucyk: Hubble Atl.of Gal. (Sandage 1961) p43.
NGC 7752/53, Sky&Tel. 12/69 p386, Deep Sky #12 Fa85 p24, Galaxies (Ferris,1982) p146.
Steve Coe, using a 13.1" f/5.6, notes: "NGC 7743 Pretty faint, pretty small, round and has a brighter middle at 100X."
Tom Lorenzin, in the e-version of "1000+ The Amateur Astronomers' Field Guide to Deep Sky Observing", notes: "12.5M; 2' diameter; see photo at HAG-43."
POSS: m13.5 * 1'.0 SE.
Hubble: * in pa154.
15cm - mod f @ 50x in fld w/sev m10-12 *s. m13.5 * @ threshold on SE edge. 140x:
m13.5 * is just off halo. circ, mod even concen except for modbr *ar nuc
that is approx equally br as *. BS, 29Sep1989, Anderson Mesa.
25cm - fairly br and round. m12 * on S. 1' diam w/concen core.
30cm - br w/much brtr core. br *ar nuc, m13.8. core 30" across. m12.0 * 1' SE.
gx 1'.5 diam overall.
The Messier objects
The Bennett objects
The Caldwell list
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