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NGC 6639 (15,176 of 18,816)

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NGC 6639

NGC 6639, C 1827-132, COCD 447, h 2011, GC 4413

RA: 18h 31m 0s
Dec: −13° 09′ 0″

Con: Scutum
Ch: MSA:1343, U2:295, SA:16

Ref: SIMBAD, DAML02

(reference key)

Type: open cluster

Mag: B=?, V=11

Size: 5′
PA: ?

Published comments

Sulentic & Tifft (1973)

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

Modern observations

Brian Skiff

15cm - mod f rel poor cl E of m9.5 *, not well detached from fld. 140x: 5' diam,

25 *s of m11+, little concen. brtr *s on E and W edges of cl are pairs:

Wrn pair: 11.5,11.5; 3"; pa135 and Ern pair: 11.5,12.5; 5"; ?(oops). BS,

21Jun1990, Anderson Mesa.

Contemporary observations

Auke Slotegraaf

1995 June 01

1995-06-01: 11x80. Kelsey Farm. 23:00 SAST. According to the map on it swestern edge there is a smlal 9th mag star. In this position I see the little star, accompanied in the proper position by something which is either a hazy cluster or another small star.

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