Type | Open Cluster |
---|---|
Magnitude | 5.7 |
Size | 58.2' |
Right Ascension | 1h 56' 54" (2000) |
Declination | 37° 47' 38" N |
Constellation | Andromeda |
Description | Cl, vvL, Ri, *L & S, C |
Classification | III 1 m |
Andrew Cooper
Aug 17, 2023 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 7 Transparency: 7 Moon: 0%
Large! bright and obvious, a large rich cluster that fills the field with 7th to 9th magnitude stars, over 1° in diameter, fully resolved, the bright double HR 556 / 56 And on the southwestern margin
Andrew Cooper
Aug 21, 2017 Grants Spring, OR (map)
76mm f/6 APO, TeleVue-76 @ 30x
Seeing: 7 Transparency: 7 Moon: 0%
Large, bright, coarse, fully resolved, visible to the unaided eye, a loose collection of stars, a good low power object
Andrew Cooper
Oct 25, 2001 Farnsworth Ranch, Pima Co., AZ (map)
46cm f/4.5 Deep Violet
Very large, bright, a coarse scattering of stars over a degree of sky, around one hundred members filling the field at 60x
Rev. T.W. Webb
May 19, 1885 Hardwick, Herefordshire, England (map)
Wide, rich region, especially of small stars.― Celestial Objects for Common Telescopes, T. W. Webb, 1917
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