GSO 305 mm - Canon 350D mod - 9 x 3 min (27 min) - ISO 800 - OAG - Skyglow filter - Coma Corrector
note:
• the little galaxy at top: PGC 17217. NGC 1889 is the round galaxy at top of NGC 1888
• It was used as pattern to processing the image in
http://cgs.obs.carnegiescience.edu/C...1888_color.jpg . Very important observe the amount of faint galaxies around.