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Contains:  M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
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M 81 and M 82 H-alpha only, 





    
        

            Paul Muskee
M 81 and M 82 H-alpha only

M 81 and M 82 H-alpha only

Technical card

Resolution: 3280x3936

Dates:Jan. 21, 2019

Frames:Astrodon H-Alpha Filter - 3nm - 50mm: 65x200" (gain: 139.00) -20C bin 1x1

Integration: 3.6 hours

Avg. Moon age: 15.09 days

Avg. Moon phase: 99.88%

Bortle Dark-Sky Scale: 3.00

Astrometry.net job: 2483631

RA center: 148.881 degrees

DEC center: 69.287 degrees

Pixel scale: 1.143 arcsec/pixel

Orientation: 123.945 degrees

Field radius: 0.813 degrees

Locations: Lingemeer (backyard @ home), Lienden, Gelderland, Netherlands

Data source: Backyard

Description

First test with Astrodon 3nm Ha filter. Need to find a proper way to combine this data with my LRGB image I recently made but will find it soon.
In any case this filter seems to get allot more detail then my LRGB images, especially from M 82 as hoped! Taken under a full moon.

Comments

Author

pmuskee
Paul Muskee
License: None (All rights reserved)
410
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M 81 and M 82 H-alpha only, 





    
        

            Paul Muskee