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NGC 7510 (17,612 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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NGC 7510

NGC 7510, Cl Collinder 454, Cl Mrk 49, C 2309+603, Ocl 256, COCD 511, VII 44, h 2213, GC 4902

RA: 23h 11m 4.2s
Dec: +60° 34′ 8″

Con: Cepheus
Ch: MSA:1070, U2:58, SA:3

Ref: SIMBAD, Collinder (1931), DAML02, Archinal&Hynes (2003)

(reference key)

Type: open cluster, 23rn

Mag: B=8.77, V=7.9

Size: 6′
PA: ?

Historical observations

William Herschel (c.1784)

Synonyms: H VII-044

Discovered in 1787 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "a cluster of pretty compressed pL stars, considerably rich. The stars arranged chiefly in lines from sp-nf."

Published comments

Trumpler, R.J. (1928)

Trumpler (Lick Obs Bul, Vol 14, No. 420) gives the diameter as 3' and the class as 2 2 mU.

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 9.5 mag open cluster.

Photo index

Photo Index by Jim Lucyk: Deep Sky #6 Sp84 p25, Burnhams V1 p619.

Modern observations

Ancient City Astron.Club (1980)

Listed by the Herschel Club, described as "some 20 stars counted, very small, loose and poor, resembles an arrowhead in shape. What do you make this out to be? 6-inch, 43x."

Tom Lorenzin

Tom Lorenzin, in the e-version of "1000+ The Amateur Astronomers' Field Guide to Deep Sky Observing", notes: "9M; 3' diameter; compressed and dense; 30-plus 10M and dimmer members; poorly detached cluster Markarian-50 (11M; 20-plus 11M thru 13M members) 20' to W and a little S."

Brian Skiff

Hoag: cl elong in pa60.

15cm - vsm, 2' diam. one br * and ten fntr ones. HM/BS, 28Jun1971, FtL.

- nice collective rectangular blaze. HM?

- elong cl consp @ 50x. 30 *s incl two brtr ones at each end of a triangle-

shaped grp aligned NE-SW. faint pair nr center of triangle. a few f *s

scatter NE. 140x. BS, 12Jul1988, Anderson Mesa.

25cm - sm, elong E-W. br *s at each end. 15 *s in 5' streak.

30cm - sm, mod compact. 23 *s in 7'.5x2' area elong E-W.

Favourite lists

Lacaille's catalogue

The Messier objects

Dunlop's catalogue

The Bennett objects

The Caldwell list

Named DSOs

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