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
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