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

Equipment

Imaging Telescopes Or Lenses
GSO 10" RC
Imaging Cameras
ZWO ASI6200MM Pro ASI6200MM
Mounts
Astro-Physics 1100 GTO
Filters
Lum · Blue · Green
Accessories
ZWO Mini Guide Scope Mini guide scope
Software
Adobe Photoshop 2021 PS2021 · Pixinsight 1.8 PI

Acquisition details

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.

Comments

Sky plot

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Histogram

M81, 



    
        

            Phillip Esce