Type | Star |
---|---|
Magnitude | 11.3 | Right Ascension | 18h 3' 10.3" (2000) |
Declination | 8° 11' 47" S |
Constellation | Ophiuchus |
Classification | G1 |
Andrew Cooper
Aug 9, 2021 Waikoloa, HI (map)
46cm f/4.5 Newtonian, Deep Violet @ 130x
Seeing: 6 Transparency: 5.5 Moon: 3%
τOph C is a faint 11th magnitude companion to the tight binary τOph visible 100" southeast of the bright 5th nagnitude pair, not to be confused with the 12th magnitude star visible 2' south of τOph
HD 165402 | NGC 6517 | NGC 6539 |
Tau Ophiuchi | Tau Ophiuchi A | Tau Ophiuchi B |
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