Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077
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M81 M82 and IFN (luminance only), 



    
        

            snakagawa
M81 M82 and IFN (luminance only)
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Getting plate-solving status, please wait...
M81 M82 and IFN (luminance only), 



    
        

            snakagawa
M81 M82 and IFN (luminance only)
Powered byPixInsight

Technical card


Basic astrometry details

Astrometry.net job: 514177

RA center: 9h 57' 19"

DEC center: +69° 18' 50"

Pixel scale: 2.235 arcsec/pixel

Orientation: 89.560 degrees

Field radius: 1.077 degrees


Resolution: 2715x2164

Description

Telescope: C8 Fastar+Hyperstar 3
Camera: Atik 460ex at -10 deg C
Filter: Astronomik luminance filter
Mount: Losmandy G11
Guiding: SX Lodestar on Orion mini guidescope +5x barlow lens
Exposure: 30 sec x 30; 1 min x 30; 2 min x 30; 5min x 70
Imaging location: Panamint Valley, CA
Comment: I also collected RGB but the SN ratios were not good enough. Maybe next time?

Comments

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Histogram

M81 M82 and IFN (luminance only), 



    
        

            snakagawa