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NGC 2627 (5,533 of 18,816)


oc gc pln bn dn gx gxcl ast aka lost




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NGC 2627

NGC 2627, C 0835-297, Cl Collinder 188, Cl Melotte 87, Cl VDBH 38, ESO 431-20, COCD 197, Bennett 40, VII 63, h 516, h 3132, GC 1678

RA: 08h 37m 12s
Dec: −29° 57′ 0″

Con: Pyxis
Ch: MSA:903, U2:363, SA:20

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

(reference key)

Type: open cluster, 22r

Mag: B=?, V=8.4

Size: 8′
PA: ?

Historical observations

William Herschel (c.1784)

Synonyms: H VII-063

Discovered in 1793 by William Herschel with an 18.7-inch f/13 speculum telescope. He called it "a large cluster of scattered small stars, iF, considerably rich."

John Herschel (1847) Cape Observations

Observed by Sir John Herschel at the Cape of Good Hope with an 18-inch f/13 speculum telescope. He recorded it as "a fine, large, rich, pretty much compressed cluster; irregularly extended, 10' long, 7' broad; stars 12 and 13th mag nearly equal."

Published comments

Raab, S. (1922)

Raab, S. (1922) A research on open clusters. Lund Medd. Astron. Obs. Ser. II, 28, 1.

Discussed, based of F-A plates.

Trumpler, R.J. (1928)

Trumpler (Lick Obs Bul, Vol 14, No. 420) gives the diameter as 8' and the class as 2 2 m.

Melotte, P.J. (1915)

A catalogue of star clusters shown on Franklin-Adams chart plates. Mem.R.A.S., 60(5), 175-186.

Sulentic & Tifft (1973)

The RNGC (Sulentic and Tifft 1973) notes that this is a 8.5 mag open cluster.

Modern observations

Ancient City Astron.Club (1980)

Listed by the Herschel Club, described as "some 40 stars, nice small cluster, hard to distinguish, noting nothing special, but loosely scattered. 8-inch, 48x."

Tom Lorenzin

Tom Lorenzin, in the electronic version of "1000+ The Amateur Astronomers' Field Guide to Deep Sky Observing", notes: "10M; 8' diameter; fairly large, faint and very rich; 80-plus 11 thru 13M members; 30' SW of 5M Zeta PYX."

Steve Coe

Steve Coe, observing with a 13" f/5.6, notes: "Bright, pretty large, pretty rich, pretty compressed, 32 stars of mags 11 to 13 counted at 165X. The backround is lumpy with unresolved stars. There is a nice white and light blue double star on the east side of the cluster."

Brian Skiff

15cm - mod br & rich cl elong E-W. 140x: 12'x5' w/60 *s m11+. boradly concen

w/in oval area. SSW ~10' is a sm clump of sim-f *s sep by a dk area

that comes in from ESE. BS, 25Feb1990, LCO.

Contemporary observations

Auke Slotegraaf

1994 February 22

1994-02-22, 22:00, Die Boord, 6-inch f/8.6, Strong moonlight, air pollution. Could not pick up this cluster, although I had the exact spot in view.

Magda Streicher

25 November 2009


RA: 08h37m.3 - DEC: -29o57' - Magnitude: 8.4 - Size: 11'

Tel: 16" S/C 184x 290x - Date: 25 November 2009 Seeing 5. After midnight

The cluster NGC 2627 appears irregular, spacious, pretty large, packed with various magnitude stars. The main focus of this cluster is a prominent string of stars clearly divided this cluster in obvious two parts, cut through the group from east to west. The western end of the string is nicely edge with a pair of 10+ magnitude stars. The bulk of the cluster and also the brightest part, are situated towards the north-east and even display a few scattered dark patches between the stars. A smaller section with fainter stars concentrate towards the southern side clearly divided the patchy cluster with a dark lane. Left over stars share space in the far western area. My attention was drawn to the colorful stars in this cluster shading from white into deep yellow.

1998 January 25

Location: Pietersburg (South 23 53. East 29 28).

Sky conditions: Good.

Instrument: Meade 12 inch (Eyepiece 40mm).

Date: 25 January 1998.

Field of view: 52.7 arc minutes.

Very much irregular, spacious, pretty large cluster with clearly packed bright and faint stars spread out in a busy field. This cluster clearly divided in two, with a smaller section to the south, to the northeast a larger area with more stars. In a way it resembles a close impression to us.

(no date)

12-inch f/10 SCT (EP: 2-inch 40mm SW 76x 53' fov; 2-inch 32mm SW 95x 42' fov; 2-inch 14mm UW 218x 23' fov)

Large, loose defined cluster divided into sections (76x). The large, denser area divided in two by a slightly dark line, situated towards the north, with a smaller composition of stars to the south. The third smaller group of stars are scattered west and close to the larger two portions with a relatively bright star imbedded. Approximately 100 loose-standing stars in different sizes, and along with careful observation a combination of different colours from white to golden-yellow can be discerned (218x). The star cluster is slightly elongated, situated between two fairly bright 8th magnitude stars, which are situated in an eastern and western direction. It would seem that my description is in accordance with J Herschel's 10' long 7' broad, stars 12 & 13 magnitude nearly equal according to the " NGC Catalogue".

Richard Ford

2013 April, 13th Saturday



Sky Conditions:The fainter parts of the Milky Way are barely visible.Haziness only visible on the horizon.Atmosphere stable with little interference.

Instrument:12-inch Dobsonian.

This open cluster is well detached which consists of 12th to 13th magnitude stars and that the stars in this cluster is slightly concentrated towards each other.Most of the stars in this cluster are almost as bright as each other.This open cluster has a semi-circular shape which is orientated in an east west direction.This open cluster measures 8.2'x 6.3'with P.A:West/East.

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