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Full database:

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NGC 7634 (17,787 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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NGC 7634

NGC 7634, LEDA 71192, MCG+01-59-062, UGC 12542, II 441, h 2234, GC 4946

RA: 23h 21m 41.9s
Dec: +08° 53′ 12.4″

Con: Pegasus
Ch: MSA:1256, U2:214, SA:17


(reference key)

Type: galaxy (in group), SB0

Mag: B=13.7, V=?

Size: 1.202′ x 0.912′
PA: 95°

Historical observations

William Herschel (c.1784)

Synonyms: H II-441

Discovered in 1785 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "F, S."

Published comments


A supernova erupted in this galaxy in 1972 (14.3b)

Sulentic & Tifft (1973)

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

Modern observations

Steve Gottlieb

Steve Gottlieb notes: "17.5-inch: moderately bright, very small, small bright core, round. A mag 14 star is close S 20" SSE of center. Located 40' N of N7619/N7626 in the Pegasus I cluster.

Brian Skiff

POSS: m13 * 20" from center in pa160. m12.5 * 1'.3 SW, m13.5 * 60" nrly W.

gx in pa85.

15cm - another hisfcbr gx w/*ar nuc. vsm: looks like fuzzy dbl * @ 80x. 140x

shows m13.5-14 * on SSE, which lies just outside gx. sub*ar m~14 nuc, rel

uniform sfcbr otherwise. BS, 29Sep1989, Anderson Mesa.

30cm - m13.5 * 15" from center in pa165. round, 30" diam, f halo. sm 10" core.

inconsp *ar nuc occas vis, seems on N side of core. m13 * 1' SW; m14 * a

bit closer WSW; together w/gx and its close *, they form elong quadrilat.

5Sep1983, USNO.

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