M81

LRGB (L:157x300s / R:17x400s / G:18x400s / B:34x400s) = 20,7h total Mehr infos bei Astrobin

NGC 6888

Focal Length 1200,0 mm Resolution 1,8″/Pixel  (2×2 Binning) CCD ATIK 383L+  @  -20°C Telescope TS ONTC 12″ f/5,3  + ASA Reducer/Corrector 0,73x @  ASA DDM60 Pro Filter Astronomik Halpha 13nm Baader RGB Exposure time Ha:R:G:B  180:120:135:120 mins …. 9.25 hrs total Subs: Ha: 27 x 400s; RGB: 24 x 300s Date 17.Juni – 1.August 2013