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RA: 12h 27m 16.3s
Dec: −60° 46′ 44″
Ch: MSA:989, U2:428, SA:25
Ref: SIMBAD, DAML02, Archinal&Hynes (2003)
Type: open cluster, 23p
Mag: B=7.39, V=7.1
"Cat. of Open Cl. south of -45° Decl.", Mem. 17 Mnt Stromlo Obs.
Vogt. N. & Moffat, AFJ (1973), "Southern Open Star Clusters III." Astron.Astrophys.Suppl., 10, 135-193. [image, table]
"Except for the two bright red stars (1 & 3) the determination of membership for this cluster poses no special problem ... We derive ... d = 1.05kpc, earliest Sp = B3; 6' diameter; 22 members studied."
15cm - nice rel sparse but well concen cl centered on m9 pair res @ 80x. 45 *s in 7' diam. BS, 23Feb1990, LCO.
10x50 binocular mounted. 1997-07-08 Dew, no moon. "nothing visible." [Rui Henriques]
1998-01-24/25, 6-inch f/8.6 Newtonian, Stellenbosch Rifle Range site. Cluster south-east of Epsilon Crucis. Least impressive cluster of the evening. With K12.5mm at 104x it is just two stars arranged almost north-south.
A much finer view is to be had just 10 arcmni due west, where there is a neat clump of 20 large and small stars in an area 6 arcmin across.
1997-03-24, Monday. Jonkershoek. 11x80 tripod. Full Moon. Not found.
1997-09-20, Sutherland (Karoo), SAAO plateau. 11x80 tripod-mounted binoculars. Skies excellent. Position accuratley verified; nothing seen.
Alldays (22.50S, 20.12E, 770m).
12-inch f/10 SCT (95x, 218x)
In combination with various magnitude stars this cluster show off a sort of X formation. Very tight string of faint stars running out to the SE. The brightest row of 7 stars situated in a E to W direction. Fainter stars sweeping out north complete the shape of this grouping.
The Messier objects
The Bennett objects
The Caldwell list
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