Messier M7 - NGC6475 - Ptolemy's Cluster- 22/6/2015 (Processed cropped stack)
Ptolemy's cluster embedded in the star field of the central Milky Way is always impressive, even from the suburbs. See also uncropped version.
DeepSkyStacker 3.3.4 Stacked 80% (26) of 33 Images ISO 800 @ 30 Sec, 36 DARK @ 120 Sec, 32 BIAS, 20 FLATS, Post-processed with Adobe Photoshop CC 2015
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 6C. EQMOD EQASCOM with Ascom 6 for mount control. Backyard EOS Pro 3.1.2 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.
MessierM7 Ptolemy's ClusterNGCNGC6475 M7 Ptolemy's ClusterOpen ClusterWorth10002015 Calendar Challenge
From 2015 Started with a Comet