Caldwell 80 - NGC5139 - Omega Centauri Globular Cluster - 21/2/2015 (Processed stack)

Imaged at Perth Observatory location

In hindsight, I processed this too white. See also reprocessed version with colours keyed of non-cluster stars.

DeepSkyStacker 3.3.4 Stacked 75% of 17 Images (12) ISO 800 @ 120 Sec, 99 DARK @ 120 Sec, 32 BIAS, 16 FLATS, Post-processed with Adobe Photoshop CC 2014

Telescope - PowerNewt 200mm f/4 with PowerNewt(ASA) f/2.84 Reducer/Coma Corrector, No filter, Baader BCF modified Canon 70D DSLR field 90' x 134' , Ambient 16C. EQMOD EQASCOM with Ascom 6 for mount control. Backyard EOS Pro 3.0.3 for Image acquisition. Mount - Skywatcher NEQ6 Pro. Guidescope - Orion ShortTube 80 with Starlight Xpress SuperStar (Mono) CCD Auto Guider and Stark Labs PHD auto guiding software.

CaldwellC80 Omega CentauriNGCNGC5139 C80 Omega CentauriGlobular Cluster

From 2015 Started with a Comet