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





    
        

            Salvatore Giambruno
M81 Bode's Nebula

M81 Bode's Nebula

Technical card

Resolution: 847x678

Dates:March 3, 2017

Frames:Astrodon Ha 1.25 5nm: 44x300" -20C bin 4x4

Integration: 3.7 hours

Flats: ~15

Avg. Moon age: 5.24 days

Avg. Moon phase: 27.98%

Bortle Dark-Sky Scale: 9.00

Astrometry.net job: 1480076

RA center: 148.897 degrees

DEC center: 69.063 degrees

Pixel scale: 1.443 arcsec/pixel

Orientation: 178.853 degrees

Field radius: 0.217 degrees

Description

M81 Galaxy, also known as Bode's Nebula. Single-channel H-alpha. 44x300s. Had some trouble with flats, so not optimal.

Comments

Author

urthworm
Salvatore Giambruno
License: None (All rights reserved)
961
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M81 Bode's Nebula, 





    
        

            Salvatore Giambruno