Type | Star |
---|---|
Magnitude | 5.86 | Right Ascension | 18h 3' 4.8" (2000) |
Declination | 8° 10' 49" S |
Constellation | Ophiuchus |
Classification | F5V |
Andrew Cooper
Aug 9, 2021 Waikoloa, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 130x
Seeing: 6 Transparency: 5.5 Moon: 3%
τOph is a tight 1.4" binary just split under mediocre conditions tonight, τOph B is pale yellow, the 5.3 magnitude τOph A is 1.4" east
HD 165402 | NGC 6517 | NGC 6539 |
Tau Ophiuchi | Tau Ophiuchi A | 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