ngc 891 in
Andromeda - 4 hours
click image for 50%
nice edge on spiral off
the end of Andromeda north. This image was calibrated with darks
and flats and a warm pixel removal then
demosaiced and stacked using stndard deviation in Nebulosity,
before balancing color and levels.
Final curves and gradient removal in Photoshop. Note the three
small calaxies on the lower left and the single elliptical in
Meade classic LX200 12 inch
at f6.8 with Hapmod Canon 350. Images acquired in Nebulosity
guided by PHD, DSI Pro on the ED80 at f7.5 --- sky good, about
4 arc seconds, light winds, 64 degrees ...