Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077
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M81 & M82 - Ha-LRGB Image, 



    
        

            Fran D.
M81 & M82 - Ha-LRGB Image
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M81 & M82 - Ha-LRGB Image

Getting plate-solving status, please wait...
M81 & M82 - Ha-LRGB Image, 



    
        

            Fran D.
M81 & M82 - Ha-LRGB Image
Powered byPixInsight

M81 & M82 - Ha-LRGB Image

Technical card

Imaging telescopes or lenses: SkyWatcher Esprit 100 ED f/5.5 APO

Imaging cameras: ZWO ASI294MM Pro Cooled

Mounts: iOptron CEM40

Guiding telescopes or lenses: SkyWatcher EvoGuide 50ED Guidescope

Guiding cameras: ZWO ASI290MM Guide Camera

Software: Pixinsight  ·  PhD2  ·  Nighttime Imaging 'n' Astronomy

Filters: Astrononomik Ha 6nm  ·  Astronomik Deep-Sky Blue Filter  ·  Astronomik Deep-Sky Green Filter  ·  Astronomik Deep-Sky Red Filter  ·  Astronomik L2 UV/IR

Accessory: ZWO EFW 1.25 8 Position  ·  Pegasus Astro Falcon Rotator  ·  Pegasus Astro Pocket Powerbox Advance  ·  Pegasus Astro Focus Cube2


Dates:April 3, 2021

Frames:
Astronomik Deep-Sky Blue Filter: 90x60" (1h 30')
Astronomik Deep-Sky Green Filter: 90x60" (1h 30')
Astronomik Deep-Sky Red Filter: 90x60" (1h 30')
Astronomik L2 UV/IR: 247x90" (6h 10' 30")
Astrononomik Ha 6nm: 25x300" (2h 5')

Integration: 12h 45' 30"

Avg. Moon age: 21.18 days

Avg. Moon phase: 60.22%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 4387627

RA center: 9h 57' 2"

DEC center: +69° 8' 6"

Pixel scale: 1.722 arcsec/pixel

Orientation: 309.373 degrees

Field radius: 1.115 degrees


Resolution: 3889x2573

Data source: Backyard

Description

M81 (Bode's Nebula) and M82 (Cigar Galaxy), along with multiple other galaxies in Ursa Major. Images were taken over a three night span.

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M81 & M82 - Ha-LRGB Image, 



    
        

            Fran D.

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