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RA: 23h 56m 48s
Dec: +61° 24′ 0″
Ch: MSA:1069, U2:15, SA:3
Ref: SIMBAD, Collinder (1931), DAML02, Archinal&Hynes (2003)
Type: open cluster, 12p
Mag: B=?, V=9.4
Trumpler (Lick Obs Bul, Vol 14, No. 420) gives the diameter as 11' and the class as 4 3 p.
The RNGC (Sulentic and Tifft 1973) notes that this is a 9.5 mag open cluster.
Photo Index by Jim Lucyk: Deep Sky #8 Fa84 p29, Deep Sky #10 Sp85 p2.
POSS: no parallel rows on N as per 25cm.
who-sis: br * V=9.49/0.16.
15cm - nestled in a grp of br *s about 15' diam. around one of these on NW side
are about ten f *s, mostly E of the *. pretty well, Roof.
- eight *s; on W edge is m9 * of lox fld. BS, 2Nov1980, Anderson Mesa.
- vsm clump again sl brtr than oc K 12. single br m10 *, other m12+---but
only a doz in 1'.5 diam. BS, 12Oct1990, Anderson Mesa.
25cm - sm compact cl 3' diam w/m9 * on W side. two rows parallel on N side.
about a doz total members. additional clusterings noted 5' [E?],
and two in line 15' E. Roof.
- lies in 20' fld of m7-10 *s. nr center is 1'.5 cl of 14 *s, no haze. BS,
2Nov1980, Anderson Mesa.
30cm - 220x: triangular, 1' diam w/about ten *s. E & N are m8.5 *s. members to
m13. one apex of triangle points E.
The Messier objects
The Bennett objects
The Caldwell list
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