M39 Open Cluster in Cygnus
Taken 06-30-11 at Cherry Springs State Park, Pa. William optics FLT-110, QSI583wsg, AstroTech field flattener. LRGB luminance 16 x 4 minutes unbinned, RGB 6 each @ 2 minutes binned 2x2.
Share It!
Login required to comment

Definitely a low power wide field object. It’s funny how much clusters can change appearance when looking through different scopes.
Bill Dahlenburg