M4 - Globular Cluster in Scorpius
Date Taken: 6/6/2014
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, Celestron 80mm guide scope, 600mm.
Exposure: LRGB 28:18:10:20 (L) 7x4m, binned 1x1. RGB each Nx2m, binned 2x2
Calibrated and Stacked with CCDStack2; RGB combine and DDP with MaximDL.
A short picture taken after the 8-day moon set. Not great, but it's a Messier object I haven't shot before.
Processed with CS4