Type | Open Cluster |
---|---|
Magnitude | 6.7 |
Size | 16' |
Right Ascension | 23h 57' (2000) |
Declination | 56° 42' N |
Constellation | Cassiopeia |
Description | Cl, vL, vRi, vmC, st 11...18 |
Classification | II1r |
Andrew Cooper
Aug 27, 2006 TIMPA, Avra Valley, AZ (map)
28cm f/10 SCT Gypsy
Large at over 15' in diameter, very rich, quite well defined despite its location on the margin of the Milky Way, homogeneous with a fairly dim population, somewhat clumpy in appearance with a few voids
Andrew Cooper
Sep 30, 2005 Gila, New Mexico (map)
90mm F/12 APO Violet Haze
Very Rich!! a thick patch of nebulosity just resolving into fine stars, stars evenly matched in magnitude giving a smooth appearance, fairly round, fades evenly off in all directions, visible in 9x63 binoculars, good binocular object
Andrew Cooper
Dec 27, 2002 Sentinel, AZ (map)
46cm f/4.5 Deep Violet
Large, dim, very rich, hundreds of dim members, resolved well, in a mostly circular area, rich galactic star field, no bright members and even patch of dim members
Rev. T.W. Webb
May 19, 1885 Hardwick, Herefordshire, England (map)
Beautiful large cloud of minute stars; h., 11-18. 'A most superb cluster' 'A mere condensed patch,' as Sm. remarks, 'in a vast region of inexpressible splendour, spreading over many fields; including the whole Galaxy through this and the adjacent constellations.'― Celestial Objects for Common Telescopes, T. W. Webb, 1917
Rho Cassiopeiae | Sigma Cassiopeiae | V1022 Cassiopeiae |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
A complete list of credits and sources can be found on the about page