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, 



    
        

            astrobrian
M81 and M82
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M81 and M82

Getting plate-solving status, please wait...
M81 and M82, 



    
        

            astrobrian
M81 and M82
Powered byPixInsight

M81 and M82

Technical card

Imaging telescopes or lenses: William Optics Zenithstar 61

Imaging cameras: ZWO ASI183MM-PRO

Mounts: Skywatcher EQ6-Pro

Guiding telescopes or lenses: ZWO 30mm f/4 Mini Guide Scope

Guiding cameras: ZWO ASI120MM Mini

Focal reducers: William Optics Adjustable Flat61

Software: Adobe Photoshop 2020  ·  PixInsight

Filters: Optolong R 1.25"  ·  Optolong G 1.25"  ·  Optolong B 1.25"

Accessory: ZWO EAF  ·  ZWO 8 Position EFW 1.25


Dates:Nov. 14, 2020Nov. 19, 2020

Frames:
Optolong 7nm Ha: 40x300" (gain: 111.00) -10C bin 1x1
Optolong B 1.25": 30x120" (gain: 111.00) -10C bin 1x1
Optolong G 1.25": 30x120" (gain: 111.00) -10C bin 1x1
Optolong R 1.25": 30x120" (gain: 111.00) -10C bin 1x1

Integration: 6.3 hours

Avg. Moon age: 16.71 days

Avg. Moon phase: 12.04%


Basic astrometry details

Astrometry.net job: 4128957

RA center: 9h 56' 15"

DEC center: +69° 20' 20"

Pixel scale: 2.682 arcsec/pixel

Orientation: 89.438 degrees

Field radius: 0.729 degrees


Resolution: 1590x1140

Data source: Backyard

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M81 and M82, 



    
        

            astrobrian