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Contains:  M 81, Bode's nebulae, NGC 3031
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M81, 





    
        

            Minseok.Chang
M81

M81

Technical card

Resolution: 1596x1269

Dates:Feb. 17, 2017

Frames: 84x300"

Integration: 7.0 hours

Avg. Moon age: 20.97 days

Avg. Moon phase: 62.36%

Astrometry.net job: 1463842

RA center: 148.870 degrees

DEC center: 69.070 degrees

Pixel scale: 1.091 arcsec/pixel

Orientation: -90.061 degrees

Field radius: 0.309 degrees

Locations: Minseok Chang, Incheon, Korea, Republic of

Description

Site : Gunwigoon, KOREA
Telescope : GSO RC10" + CCDT67
Mount : Rainbowastro RST400
Camera : QSI690wsg, Lodestarx2
Exposeure : Ha 12 x 600s, L 24 x 300s, RGB 12 x 300s each (Total 7h 00m, All 2x2 Bin)

I have tried 2x2 bin imaging because of the oversampling isseue.
The seeing of my observatory is very poor so the quality of the image is almost same before.
But I'm sorry for the low resolution.

Comments

Author

Minseok.Chang
Minseok.Chang
License: Attribution-NonCommercial-ShareAlike Creative Commons
2126
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M81, 





    
        

            Minseok.Chang