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


            Andreas Reifke
M81 and M82
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M81 and M82

Technical card

Imaging telescopes or lenses: SkyWatcher Esprit 100ED

Imaging cameras: ZWO ASI 071MC PRO

Mounts: Celestron CGEM

Guiding telescopes or lenses: SkyWatcher Esprit 100ED

Guiding cameras: QHYCCD QHY 5 II

Focal reducers: Skywatcher Fieldflattener for Esprit 100 ED

Software: Astro Pixel Processor  ·  Craig Stark PHD2 Guiding  ·  Fitswork4  ·  Craig Stark Nebulosity  ·  Adobe Photoshop 5 CS  ·  DeepSkyStacker 3.3.6

Accessory: ZWO OAG

Dates:March 25, 2020

Frames: 26x600"

Integration: 4.3 hours

Avg. Moon age: 0.98 days

Avg. Moon phase: 1.09%

Basic astrometry details

Astrometry.net job: 4419321

RA center: 9h 55' 44"

DEC center: +69° 19' 1"

Pixel scale: 1.777 arcsec/pixel

Orientation: 251.473 degrees

Field radius: 1.404 degrees

Resolution: 4732x3155

Locations: Vereinssternwarte Sternfreunde Franken, Erlangen, Bayern, Germany

Data source: Backyard


Sky plot

Sky plot


M81 and M82, 


            Andreas Reifke