Caldwell 53 - NGC3115 - Spindle Galaxy in Sextans - 8/2/2013 (Processed stack)
Imaged at Perth Observatory site.
DeepSkyStacker 3.3.2 Stacked 85% of 7 Images ISO 800 120 Sec, 45 DARK @ 120 sec, 70 BIAS, 0 FLATS, Post-processed with Adobe Photoshop CS5
Compare this stack of 3 x 5 Min images to one with 5 x 2 Min duration this same night.
Telescope - Bintel BT200 f/4.0 Newtonian (borrowed from Stephen Boyd) with Baader MPCC Coma Corrector, Hutech LPS-P2 filter, Canon 40D DSLR field 64' x 95', Ambient 20C.
EQMOD EQASCOM with Ascom 6 for mount countrol. Backyard EOS 2.09 for Image acquisition. Mount - Skywatcher NEQ6 Pro. Guidescope - Orion ShortTube 80 with Starlight Xpress Superstar (mono) CCD guide camera and Stark Labs PHD auto guiding software.