At GMARS this weekend the high was only 80F and nighttime temps got down to 53F! Another clue that summer is over is how far west Scorpius and Sagittarius are in the early evening sky. Here's a shot looking through my observatory door toward the southwest at the Milky Way.
|Canon EOS 60Da with Canon EF 16-35mm f/2.8L II lens. 16mm, f/3.2, 30-seconds, ISO 1250.|
SQM reading was 21.34.