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Dimensions3400 x 2550
Original file size3.53 MB
Image typeJPEG
M107 - Globular Cluster in Ophiuchus

M107 - Globular Cluster in Ophiuchus

Date Taken: 5/18/2014, 5/19/2014
Scope: Planewave CDK 12.5 f/8, 2541mm
Camera: SBIG STL-11000 with Astrodon Tru-Balance E-Series Gen2 filters
Temp: -15C
Mount: Losmandy Titan
Guiding: SSAG, via Celestron 80mm guide scope, 600mm.
Exposure: LRGB 72:38:36:28 (L) 18x4m, binned 1x1. RGB each (n)x2m, binned 2x2

Calibrated and Stacked with CCDStack2; RGB combine and DDP with MaximDL. Processed with CS4.

Taken over 2 nights of intermittently cloudy nights. I lost 2/3 of subs due to passing clouds. I chose this subject because I was working on tracking/balancing the scope near the southern horizon.