Messier M99 - NGC4254 Spiral Galaxy in Coma Berenices
Messier M99 - NGC4254 Spiral Galaxy in Coma Berenices - 4/5/2013 (Processed cropped stack)
Variable high thin cloud present during imaging.
Vignetting from OAG evident - pushed too far into field of full frame, but cropped out here.
DeepSkyStacker 3.3.2 Stacked 85% of 8 Images ISO 800 75 Sec, 68 DARK, 75 BIAS, 0 FLATS, Post-processed with Adobe Photoshop CS5
Telescope - Bintel BT200 f/4.0 Newtonian (borrowed from Stephen Boyd) with Baader MPCC Coma Corrector, Hutech IDAS LPS-P2 filter, Canon 40D DSLR field 64' x 95', Ambient 15C. EQMOD EQASCOM with Ascom 6 for mount control. Backyard EOS 2.09 for Image acquisition. Mount - Skywatcher NEQ6 Pro. Guidescope - Teleskop Service OAG9 Off Axis Guider with Starlight Xpress Superstar (mono) CCD guide camera and Stark Labs PHD auto guiding software.