Type | Star |
---|---|
Magnitude | 6.8 | Right Ascension | 18h 2' 23.0" (2000) |
Declination | 23° 1' 60" S |
Constellation | Sagittarius |
Classification | B6V |
Andrew Cooper
Aug 10, 2020 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 5 Transparency: 6 Moon: 0%
Blue-white, a 10th magnitude 6.2" companion not visible, one of several bright stars at the center of M20 including the 6.8 magnitude HD 164492 visible 10" northeast
4 Sagittarii | Barnard 85 | Bochum14 |
HD 164402 | HD 164492 | HD 164514 |
Messier 20 | Messier 21 | Ru139 |
Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.
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