M81 Andrew Farrow 17.03.21 35sec for a total of 1255sec ES 127mm APO scope and Atik Infinity camera with 0.67 Focal reducer.
M81 (Mark Phillips) on a windy night
Guiding was surprisingly good while the dome pointed away from the wind < 0.5″.
250mm f4.8 Newtonian, MPCC, QHY168C @-15°C 10/50 g/o
25x240s, darks, flats, bias
NINA, APP, Photoshop, Topaz Denoise AI