M7 Ptolemy's Cluster
M7 Ptolemy's Cluster

0bject M7 Open cluster in Scorpius (Ptolemy's Cluster)
Date May 26-27, 2016
Exposure LRGB 60:60:60:60 (Lum synthesized from R+G+B, cropped)
Camera STL11000M with AstroDon Gen II filters
Telescope ASA 10N f/3.7 on AP900GTO CP3
Guiding Remote guide head with MiniBorg 50 mm
Processing MaximDL, Photoshop CS6,  NIK Sharpener
Comments Good seeing, target low in South; acquired with CCD Commander from Rancho Hidalgo, Animas, NM