Abell 78 is a 1.88' small planetary nebula in constellation Cygnus. If one blinks the H-alpha and the [OIII] pictures, one can see the very different shape of the nebula in these two channels.
Processing was done with the method of Don Goldman, stars were colored with RGB-frames.
Telescopes: Lacerta Newtonian 10" f/4 for Ha + [OIII], Newtonian 5" f/5 for RGB - captured simultaneosly
Mount: ASA DDM 60 pro
Camera: Sbig ST2000XM for Ha + [OIII], SXV-H9 for RGB
Filters: Baader LRGB, H-alpha, [OIII]
Exposure: H-alpha 9x20 min, [OIII] 11x20 min, RGB 4x10 minutes each = 8.6 hours
Processing: CCD Stack, PS CS2
Date: 2014-06-18 + 2014-08-06+08+14