M81

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

NGC 4244

Focal Length 1200,0 mm Resolution 0,96″/Pixel  (1×1 Binning) CCD ATIK 383L+  @  -20°C Telescope TS ONTC 12″ f/5,3  + ASA Reducer/Corrector 0,73x @  ASA DDM60 Pro Filter Baader LRGB Exposure time 60 min each Filter (4 hrs total) Date April 2013

M81

Just gathered some additional light frames for M81.   L:2400 R:900 G:900 B:900 seconds