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NGC 7648 (17,805 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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NGC 7648

NGC 7648, IC 1486, LEDA 71321, MCG+01-59-072, Mrk 531, UGC 12575, III 218, GC 4953

RA: 23h 23m 54.08s
Dec: +09° 40′ 2.4″

Con: Pegasus
Ch: MSA:1232, U2:214, SA:17

Ref: SIMBAD, Corwin

(reference key)

Type: galaxy, S0

Mag: B=13.5, V=?

Size: 1.584′ x 1.047′
PA: 85°

History and Accurate Positions for the NGC/IC Objects (Corwin 2004)

NGC 7648 = IC 1486, which see. Also see NGC 7667.

Historical observations

William Herschel (c.1784)

Synonyms: H III-218

Discovered in 1784 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "eF, pS, lE."

Published comments

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 13.5 mag galaxy. Their coded description reads E,SLEL,BM.

Modern observations

Steve Gottlieb

Steve Gottlieb notes: "13.1-inch: fairly faint, fairly small, elongated, gradually increases to a small bright core. A mag 15 star is 30" E of center.

Brian Skiff

= I1486 = Mk 531

POSS: elong pa~90. m15.5(?) * 32" E; m14 * 1'.1 SE; m~16 * 44" W. halo does

not really reach * E, much less pass it to N. halo 50" long on O


15cm - pretty f losfcbr glow @ 80x, difficult @ 140x. circ w/wk even concen to f

core, no consp nuc. m15.5 * off SE side, halo reaches halfway. BS,

29Sep1989, Anderson Mesa.

30cm - mod f, elong E-W, 45"x25". 30" E of center is m14.5 *, another a little

brtr is 1' SE. mod concen to indistinct core and f *ar nuc comparable in

brtness to * E. seems to be threshold *ing W, which w/* E makes elong a

little uncer. CBL sees vf halo to 1'x0'.4 in pa80, passing just N of *

20" E. 5Sep1983, USNO.

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