H VII 42, h 97, GC 256, Melotte 7, Mel 7, Collinder 12, Cr 12, Lund 43, C 0115+580, OCl 321, OCl 321.0
| Type | Open Cluster |
|---|---|
| Magnitude | 6.4 |
| Size | 15' |
| Right Ascension | 1h 19' 33" (2000) |
| Declination | 58° 16' 41" N |
| Constellation | Cassiopeia |
| Description | Cl, B, L, pRi, *7, 8, 10 |
| Classification | I 3 r |
Andrew Cooper
Aug 23, 2023 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 7 Transparency: 7 Moon: 0%
Biig, bright and obvious, visible in the 30mm finder, a coarse cluster with 10th to 12th magnitude stars scattered in a 20' area, fully resolved, a distinct central concentration with two notable chains of stars extending southwest and northeast from the center, the bright stars φ Cas and HD 7902 sit 2' apart on the southeastern margin, situated in rich galactic starfield
Andrew Cooper
Jun 27, 2020 Waikoloa Quarry, HI (map)
8x42mm Nikon Prostaff 3S Binoculars @ 8x
Seeing: 7 Transparency: 7 Moon: 0%
A notable cluster extending northwest of the 5th magnitude φCas, 10' in extent, a scattering of fine 9-10th magnitude stars, rich, resolved
Andrew Cooper
Nov 2, 2019 Kaʻohe, Mauna Kea, HI (map)
28cm f/10 SCT, NexStar 11" GyPSy @ 127x
Seeing: 7 Transparency: 6 Moon: 39%
A bright cluster, large, coarse, fully resolved, two much brighter stars on the southeastern margin, φCas at mag 5.0 and HD7902 mag 7.0, with a scattering of 9-12 magnitude stars over a 15' area, arranged in notable clumps
Andrew Cooper
Aug 19, 2017 Oregon Star Party, OR (map)
14.5" f/4.5 Starmaster @ 61x
Seeing: 7 Transparency: 7 Moon: 0%
Large, bright, coarse, a very conspicuous cluster in a rich starfield, two bright stars on the south margin, φCas at 5.0mag and a 7th mag
Andrew Cooper
Dec 27, 2002 Sentinel, AZ (map)
46cm f/4.5 Deep Violet
Bright!! rich, not concentrated, a hundred stars or so with a very bright star on the south edge of the cluster, somewhat clumpy with a heavier band north-south in the center
Rev. T.W. Webb
May 19, 1885 Hardwick, Herefordshire, England (map)
A very elegant group attending φ, 5 mg. The second star lilac. Red star, 30' n, a little f φ.― Celestial Objects for Common Telescopes, T. W. Webb, 1917
| BD+57 248 | BD+57 249 | HD 7902 |
| NGC 436 | Phi Cassiopeiae | V466 Cassiopeiae |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
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