Few things wrong. Poor seeing, bloated stars, gusty wind,…

Object IDNGC 281 Pacman nebula (IC11)
Mag. 10, Size 35′
H II region emission nebula
Contains open cluster NGC 1590
Cassiopeia
Details2018-10-10
Poor seeing and transparency
Telescope200mm f5 Newtonian, MPCC
IDAS P2 LPR filter
Guided
CameraAtik 460EX, Baader RGB  filters
Exposure(s)15 x 120s each colour
darks, flats
CaptureAPT
ProcessingNebulosity 4, Photoshop