
| Type | Star |
|---|---|
| Magnitude | 6.8 | Right Ascension | 18h 2' 23.5" (2000) |
| Declination | 23° 1' 51" S |
| Constellation | Sagittarius |
| Classification | O7.5Vz |
Andrew Cooper
Aug 10, 2020 Waikoloa, HI (map)
20cm f/6 Newtonian, Cave Astrola @ 76x
Seeing: 5 Transparency: 6 Moon: 0%
White, one of several bright stars at the center of M20 including the 6.8 magnitude HIP88330 visible 10" southwest
| 4 Sagittarii | Barnard 85 | Bochum 14 |
| HD 164402 | HD 164514 | HIP 88330 |
| 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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