Type | Open Cluster |
---|---|
Magnitude | 6.1 | Right Ascension | 17h 48' (2000) |
Declination | 1° 21' N |
Constellation | Ophiuchus |
Description | 13"-B, L, scattered 32* at 60X |
Classification | IV 2 p |
Andrew Cooper
Jun 23, 2020 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 61x
Seeing: 6 Transparency: 6 Moon: 0%
A large sparse clump in a rich starfield one field south of γOph, the cluster is not conspicuous, not standing out from the surrounding field, several dozen 9-10th magnitude stars fill a 1/2° area, a vague ring of stars with another linear clump pointing north
61 Ophiuchi A | 61 Ophiuchi B | Gamma Ophiuchi |
HD 162651 | HD 162652 | |
NGC 6426 |
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