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RA: 07h 26m 19s
Dec: −47° 40′ 48″
Ch: MSA:432, U2:395, SA:19
Ref: SIMBAD, Collinder (1931), Archinal&Hynes (2003)
Type: open cluster, 21r
Mag: B=8.73, V=7.8
Mel 22: Discussed, Based on F-A plates.
"Cat. of Open Cl. south of -45° Decl.", Mem. 17 Mnt Stromlo Obs.
Mel 22: B & F *.
A catalogue of star clusters shown on Franklin-Adams chart plates. Mem.R.A.S., 60(5), 175-186.
Mel 22: A distinct cluster of faint stars. Not in NGC or Bailey.
Phelps, R. L., Janes, K. A. & Montgomery, K. A. (1994) Development of the galactic disk: A search for the oldest open clusters. Astron.J., 107(3), 1079.
Mel 22: Included in Table 6: The oldest open clusters.
Mel 22: observing with a 13" f/5.6, notes: "Pretty bright, large, pretty rich, irregularly round, 27 stars of magnitudes 10 and dimmer counted at 100X. There is a nice backround of unresolved stars and the cluster has several lovely curved chains of stars."
12-inch f/10 SCT (76x, 218x)
Field full of faint stars in a boxy shape which is elongated as well in a SW-NE direction. The part edge quite nicely on the SW side from which it spray out into two leggy parts towards the NE. The more eastern part is flimsy with short strings. The indicated size of 15.3 is correct. The brightest star is a lovely yellow-orange 8.3 HD 59102 situated on the south-west tip of the cluster.
The Messier objects
The Bennett objects
The Caldwell list
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