Type | Open Cluster |
---|---|
Magnitude | 8.8 |
Size | 5.4' |
Right Ascension | 1h 16' 0" (2000) |
Declination | 58° 49' 12" N |
Constellation | Cassiopeia |
Description | Cl, S, iF, pC |
Classification | I 3 m |
Andrew Cooper
Aug 23, 2023 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 7 Transparency: 7 Moon: 0%
Faint and small, a 5' knot of 11th to 13th magnitude stars, distinct in rich galactic starfield, fully resolved, 42' northwest of NGC 457
Andrew Cooper
Aug 19, 2017 Oregon Star Party, OR (map)
14.5" f/4.5 Starmaster @ 61x
Seeing: 7 Transparency: 7 Moon: 0%
Small, 5' across, a modest cluster poorly detached from the surrounding starfield
Andrew Cooper
Dec 27, 2002 Sentinel, AZ (map)
46cm f/4.5 Deep Violet
Modest. sparse, not concentrated, a couple dozen stars off the end of a line of three brighter stars
BD+57 248 | BD+57 249 | HD 7902 |
NGC 457 | V466 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