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



    
        

            Phillip Esce
M81
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M81

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



    
        

            Phillip Esce
M81
Powered byPixInsight

M81

Technical card

Imaging telescopes or lenses: GSO 10" RC

Imaging cameras: ZWO ASI6200MM Pro ASI6200MM

Mounts: Astro-Physics 1100 GTO

Software: Adobe Photoshop 2021 PS2021  ·  Pixinsight 1.8 PI

Filters: Lum  ·  Blue  ·  Green

Accessory: ZWO Mini Guide Scope Mini guide scope


Dates:Feb. 24, 2021

Frames:
Blue: 30x450" (3h 45')
Green: 34x450" (4h 15') ISO100 bin 2x2
H: 13x450" (1h 37' 30") bin 2x2
Lum: 39x300" (3h 15') ISO100 -10C bin 2x2
Red: 43x450" (5h 22' 30") ISO100 -10C bin 2x2

Integration: 18h 15'

Darks: 10

Flats: 10

Bias: 20

Avg. Moon age: 11.79 days

Avg. Moon phase: 90.29%

Bortle Dark-Sky Scale: 5.00

Mean FWHM: 4.00


Basic astrometry details

Astrometry.net job: 4276956

RA center: 09h55m29s.3

DEC center: +69°0401

Pixel scale: 0.775 arcsec/pixel

Orientation: 271.527 degrees

Field radius: 0.503 degrees


Resolution: 3860x2636

Locations: Home Obeservatory, Spartanburg, South Carolina, United States

Data source: Backyard

Description

M81 taken from suburban skies what my GSO 10inch RC. It was a bit of challenge given the moon stage at the end of February, so it came out better than I thought it would.

The ASI ZWO 6200mm has been working very very well. It has great sensitivity and a big field of view.

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M81, 



    
        

            Phillip Esce