Messier 13 (and galaxy neighbors)
May 17/18, 2015; Casita, NM
Tec 140 mm prime focus with Tec Field Flattener = 980 mm fl @ f/7
Mod Canon 600D, ISO 800, 6 min subs, 0.905"/pixel
AP Mach 1, 50mm f/5 Borg Guidescope, Lodestar, PHD2, and dithering.
6 min subs x 4 = 24 min; 3 darks, 5 flats
Captured and processed in Images Plus and Picture Window Pro
North is to the right.
Leda 2085077 is a pretty sight in my 18" with a Collins Electro Optic Eyepiece.
Sky Tools Pro 3 Chart of region.
AP Home Kleinhans, 2017