Stellarvue Nighthawk at f/6.1 piggybacked on STV-guided LX200 at 1575 mm. Astronomik 13 nm H-alpha filter, 12 x 900 seconds, unbinned 1x1. Acquired with Astroart 3.0, aligned in AIP4WIN ver 1, sigma combined in Ray Gralak's pre-beta 11. Combined H-alpha data with RGB data taken in 2003 with SX HX916 and Stellarvue Nighthawk, 300 seconds x 5 each channel (Astronomik Type II), unbinned 1x1. Used PixInsight LE to adjust histogram and apply mild sharpening filter.
full exif
