Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Bode's galaxy  ·  Cigar Galaxy  ·  Cigar galaxy  ·  M 81  ·  M 82  ·  M81  ·  M82  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077  ·  NGC3077
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M81 and M82, 


            Stan Smith
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M81 and M82

Imaging telescopes or lenses: Stellarvue SVX130T

Imaging cameras: ATIK 490 EX Mono

Mounts: iOptron GEM45

Guiding cameras: Starlight Express Lodestar X2 Autoguider

Focal reducers: Stellarvue SFFX-1 Flattener

Software: Photoshop 2020  ·  Main Sequence Software Sequence Generator PRO  ·  Pixinsight  ·  Stark-Labs PHD2

Filters: Chroma technology Blue 36mm  ·  Chroma technology Green 36mm  ·  Chroma technology Red 36mm

Accessory: ZWO Off-Axis Guider  ·  SkyShed Roll-off

Dates:March 5, 2021

Chroma technology Blue 36mm: 20x300" bin 1x1
Chroma technology Green 36mm: 20x300" bin 1x1
Chroma technology Red 36mm: 20x300" bin 1x1

Integration: 5.0 hours

Avg. Moon age: 21.54 days

Avg. Moon phase: 56.49%

Astrometry.net job: 4343648

RA center: 9h 57' 47"

DEC center: +69° 13' 27"

Pixel scale: 2.173 arcsec/pixel

Orientation: 67.750 degrees

Field radius: 0.987 degrees

Resolution: 2589x1996

Locations: DarkSky Observatory (In My Back Yard), Westminster, SC, United States

Data source: Backyard



  • M81 and M82, 


            Stan Smith
  • Final
    M81 and M82, 


            Stan Smith

Sky plot

Sky plot


M81 and M82, 


            Stan Smith

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