Arcturus α (Alpha) Boötis 2020-01-20
Aberkenfig, South Wales
Lat 51.542164 Long -3.5934252
Skywatcher 254mm Newtonian Reflector, Olympus E410 at prime focus. EQ6 Syntrek Mount.
20 light frames of 25s at 800 ISO, 7 light frames at 30s. Also 10 dark frames.
Processed with Deep Sky Stacker and final levels adjusted with G.I.M.P. The diffraction spikes were not added in post processing.
The image displays coma towards the edges. This is is one drawback of a parabolic f/4.8 Newtonian.
Frames were captured commencing 02:45 UT on 20th January 2020
Arcturus α (Alpha) Boötis 2020-01-20
Aberkenfig, South Wales
Lat 51.542164 Long -3.5934252
Skywatcher 254mm Newtonian Reflector, Olympus E410 at prime focus. EQ6 Syntrek Mount.
20 light frames of 25s at 800 ISO, 7 light frames at 30s. Also 10 dark frames.
Processed with Deep Sky Stacker and final levels adjusted with G.I.M.P. The diffraction spikes were not added in post processing.
The image displays coma towards the edges. This is is one drawback of a parabolic f/4.8 Newtonian.
Frames were captured commencing 02:45 UT on 20th January 2020