M81, M82 in LRGB+Ha

M81, M82 in LRGB+Ha

2020-02-23 21:30-05:30
Low clouds followed by clear, no moon, some wind, 99% humidity, 1 degrees C

M81+M82
Exposures:
410x60s L
Rotation: 90 degrees

2020-02-27 21:00-05:30
Low clouds followed by clear, no moon, no wind, snow on ground, 90% humidity, -5 degrees C

M81+M82
Exposures:
(118+119+120)x60s RGB
23x90s Ha
Rotation: 90 degrees

2020-03-13 21:00-23:30
Very clear, rising moon, no wind, snow on ground, 85% humidity, -3 degrees C

M81+M82
Exposures:
87x90s Ha
Rotation: 90 degrees

Camera: ASI1600MM-COOL+ZWO EFWmini, Baader R,G,B,Ha, IDAS LPS-D1, gain 200, offset 50, -20C
Lens: TS-Optics 8″ f/4 UNC Newtonian with GPU Superflat 2″ Coma Corrector
Mount: EQ6-R Pro
QHY 5L-II-M OAG auto guider
Software: Sequence Generator Pro, PixInsight, Photoshop
Location: Borås, Sweden