M81 & M82, 


            Steen Knarberg

M81 & M82

M81 & M82, 


            Steen Knarberg

M81 & M82

Technical card

Imaging telescopes or lenses: Explore Scientific 152 mm Comet Hunter Maksutov-Newtonian

Imaging cameras: ZWO ASI294MC pro

Mounts: Sky-Watcher HEQ5-Pro Synscan

Guiding telescopes or lenses: SVBONY SV106 60mm Guidescope

Guiding cameras: ZWO ASI120MC-S

Software: AstroPixelProcessor  ·  Adobe Lightroom

Accessory: ZWO EAF Electronic Auto Focuser  ·  ZWO ASI Air Pro

Dates:Feb. 6, 2021

Frames: 36x60" (36')

Integration: 36'

Avg. Moon age: 24.03 days

Avg. Moon phase: 30.55%

Resolution: 4764x3286

Locations: Backyard Observatory, Næstved, Denmark, Denmark

Data source: Backyard


A go at M81 in not very good seeing, drifting clouds atc. I had to scrap to thirds of all frames.



M81 & M82, 


            Steen Knarberg