SEPTEMBER 2018 OBSERVERS CHALLENGE – NGC-6818

Pencil sketch from the eyepiece using a 5 x 8 blank notecard, and 6-inch f/6 reflector @ 129x, with the colors inverted…

This entry was posted on October 12, 2018 at 4:01 pm and is filed under Work File Only - Observer's Challenge Reports. You can subscribe via RSS 2.0 feed to this post's comments. Both comments and pings are currently closed.