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



    
        

            llolson1
M81 and M82 HaRGB
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M81 and M82 HaRGB

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



    
        

            llolson1
M81 and M82 HaRGB
Powered byPixInsight

M81 and M82 HaRGB

Technical card

Imaging telescopes or lenses: Explore Scientific 127mm FCD 100

Mounts: Celestron Advanced VX Advanced VX

Guiding telescopes or lenses: Orion 60mm Guide Scope 60mm Guide Scope

Guiding cameras: Orion StarShoot AutoGuider Pro Mono

Software: Topaz Labs DeNoise AI  ·  Sequence Generator Pro  ·  Adobe Lighroom  ·  PixInsight 1.8 Ripley PixInsight

Filters: ZWO BLUE 36mm  ·  ZWO GREEN 36mm  ·  ZWO RED 36mm  ·  ZWO 36mm 7nm Ha

Accessory: Hotech 2" SCA Self-Centering Field Flattener


Dates:Feb. 4, 2020

Frames:
ZWO 36mm 7nm Ha: 145x240" (9h 40') (gain: 139.00) -20C bin 1x1
ZWO BLUE 36mm: 60x240" (4h) (gain: 139.00) -20C bin 1x1
ZWO GREEN 36mm: 60x240" (4h) (gain: 139.00) -20C bin 1x1
ZWO RED 36mm: 55x240" (3h 40') (gain: 139.00) -20C bin 1x1

Integration: 21h 20'

Darks: 30

Flats: 30

Flat darks: 30

Bias: 100

Avg. Moon age: 9.66 days

Avg. Moon phase: 73.32%


Basic astrometry details

Astrometry.net job: 3244229

RA center: 09h55m51s.1

DEC center: +69°1734

Pixel scale: 0.832 arcsec/pixel

Orientation: 99.368 degrees

Field radius: 0.616 degrees


Resolution: 4248x3222

Locations: Chisago, CHISAGO CITY, Minnesota, United States

Data source: Backyard

Description

Took the RGB and some Ha during an almost full moon. The Ha was pretty noisy, so I took some more a week later under darker skies.

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Histogram

M81 and M82 HaRGB, 



    
        

            llolson1

In these public groups

Central USA