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NGC 6239 (13,995 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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NGC 6239

NGC 6239, LEDA 59083, MCG+07-35-001, UGC 10577, III 727, GC 4247, GC 5832

RA: 16h 50m 5.03s
Dec: +42° 44′ 23.4″

Con: Hercules
Ch: MSA:1136, U2:80, SA:8


(reference key)

Type: galaxy (in cluster), SB

Mag: B=12.9, V=?

Size: 2.344′ x 1.047′
PA: 118°

Historical observations

William Herschel (c.1784)

Synonyms: H III-727

Discovered in 1788 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "cF, S, E in parallel."

Published comments

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 13.0 mag galaxy. Their coded description reads IRREL,MBM,HISB, DIF ARMS OR FILS N&S.

Modern observations

Tom Lorenzin

Tom Lorenzin, in the e-version of "1000+ The Amateur Astronomers' Field Guide to Deep Sky Observing", notes: "12.9M; 2.1' x 0.8' extent; very faint and small ellipse with brighter middle; axis oriented WNW-ESE."

Brian Skiff

UGC: pa118.

POSS: pa113. irreg outline dur to oblique open two-arm spiral warp(?),

thus dk area E is okay. m14 * 2'.0 N.

15cm - not vis. Roof.

- mod f @ 50x. sharply tapered halo in pa125, 2'.5x1'. mod broad concen

to rounded oval core 0'.8x0'.5, but no sharp nuc. m14.0 * 2' N, halo

def longer than distance to this *. BS, 4Jul1989, Anderson Mesa.

25cm - sm, 1'.25x0'.75 in pa90. sl brtr to cen, but no sharp nuc. Roof.

- vis @ 50x. 140x: modlosfcbr, 1'.5x1' in pa100. broad cen brtning w/more

nrly circ core barely defined from halo. seems irreg, poss dk spot on

E side of center. BS, 23May1982, Anderson Mesa.

30cm - found @ 140x w/in 1'.5\deg circlet of five or six m7.5 *s. fairly f and

sm. 220x: 1'.5x0'.8 in pa110. sl concen to broad core and occas sub*ar

nuc. notsohotso....

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