Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
M81 and M82, 


            Kristof Dierick
M81 and M82
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M81 and M82

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Technical card

Imaging telescopes or lenses: TS Optics Photoline 102/715 Triplet

Imaging cameras: ZWO ASI1600mm-Cool

Mounts: Sky-Watcher EQ6 GOTO Synscan

Guiding telescopes or lenses: ZWO 60/280 Guiderscope

Guiding cameras: ZWO ASI178MC

Software: Photoshop CS2

Filters: Astronomik L2 Luminance 31mm  ·  Astronomik Blue 31mm  ·  Astronomik Green 31mm  ·  Astronomik Red 31mm

Dates:March 24, 2020

Frames: 79x300"

Integration: 6.6 hours

Avg. Moon age: 0.09 days

Avg. Moon phase: 0.01%

Basic astrometry details

Astrometry.net job: 3477151

RA center: 9h 55' 21"

DEC center: +69° 19' 22"

Pixel scale: 1.097 arcsec/pixel

Orientation: 72.192 degrees

Field radius: 0.775 degrees

Resolution: 4078x3043

Locations: Backyard - Aan de kerk, Mielen-boven-Aalst, Limburg, Belgium

Data source: Backyard


Sky plot

Sky plot


M81 and M82, 


            Kristof Dierick