Type | Globular Cluster |
---|---|
Magnitude | 8.9 | Right Ascension | 18h 4' 49.7" (2000) |
Declination | 7° 35' 9" S |
Constellation | Serpens |
Description | vS, F |
Classification | X |
Andrew Cooper
Jun 1, 2022 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 7 Transparency: 6.5 Moon: 0%
Quite faint, round, <5' diameter, not resolved, a very faint round fuzzy in the 8" Astrola
Andrew Cooper
Aug 9, 2021 Waikoloa, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 130x
Seeing: 6 Transparency: 5.5 Moon: 0%
Big, faint, without a notable core, resolved, 5' diameter
HD 165402 | Tau Ophiuchi | Tau Ophiuchi A |
Tau Ophiuchi B | Tau Ophiuchi C |
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