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NGC 4691 (10,301 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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NGC 4691

NGC 4691, LEDA 43238, MCG+00-33-013, UGCA 299, II 182, h 1432, GC 3221

RA: 12h 48m 13.54s
Dec: −03° 19′ 58.2″

Con: Virgo
Ch: MSA:796, U2:239, SA:14


(reference key)

Type: galaxy (AGN), S0a

Mag: B=12, V=?

Size: 3.019′ x 2.511′
PA: 15°

Historical observations

William Herschel (c.1784)

Synonyms: H II-182

Discovered in 1784 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "pF, pL, E, r."

Published comments

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 12.0 mag galaxy. Their coded description reads BBARLIKE OBJ,DIFHALO SSTR SUSP.

Sandage, A. et al. (1975) Galaxies and the Universe

G. de Vaucouleurs ("Galaxies and the Universe", Chapter 14 - Nearby Groups of Galaxies) notes that the five brightest members of the Virgo V group, a part of the Virgo II cloud complex, are NGC 4546, NGC 4691, NGC 4487, NGC 4593 & NGC 4504.

Sandage, A. (1961) The Hubble Atlas of Galaxies

This galaxy appears on page 44 of "The Hubble Atlas of Galaxies" by Allan Sandage (1961, Washington, DC).

Photo index

Photo Index by Jim Lucyk: Hubble Atl.of Gal. (Sandage 1961) p44.

Modern observations

Tom Lorenzin

Tom Lorenzin, in the e-version of "1000+ The Amateur Astronomers' Field Guide to Deep Sky Observing", notes: "11.8M; 2' x 1.5' extent; fairly bright ellipse with much brighter center; !good supernova prospect! see photo at HAG-44;30' S and a bit E is SP GAL N4684 (12.6M; 2'x 1' extent), a NNE-SSW-oriented soft, small slash with a 14M star 20" N of core."

Contemporary observations

Tom Bryant

2011 6 6 23:21:29

Observing site: Little Bennett Regional Park

Telescope: C-11

[12h 48m 12s, -3 20' 0"] A small, almost edge on spiral. B: SBa.

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