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Contains:  Bode's nebulae, M 81, M 82, NGC 3031, NGC 3034
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M 81 and M 82 Ha + LRGB first test, 



    
        

            Paul Muskee
M 81 and M 82 Ha + LRGB first test
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M 81 and M 82 Ha + LRGB first test

Technical card


Dates:Jan. 20, 2019Jan. 21, 2019

Frames:
Baader B Filter - 50mm: 37x120" -20C bin 1x1
Baader G Filter - 50mm: 35x120" -20C bin 1x1
Astrodon H-Alpha Filter - 3nm - 50mm: 65x200" (gain: 139.00) -20C bin 1x1
Baader L Filter - 50mm: 122x90" (gain: 10.00) -20C bin 1x1
Baader R Filter - 50mm: 34x120" -20C bin 1x1

Integration: 10.2 hours

Avg. Moon age: 14.51 days

Avg. Moon phase: 99.54%

Bortle Dark-Sky Scale: 3.00


Basic astrometry details

Astrometry.net job: 2483698

RA center: 9h 55' 32"

DEC center: +69° 16' 55"

Pixel scale: 1.143 arcsec/pixel

Orientation: 125.267 degrees

Field radius: 0.804 degrees


Resolution: 3208x3916

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

Data source: Backyard

Description

So I found a way to combine the Ha with the LRGB stack. Only the whole image got a bit of a red glow now but will work on that. Looking like a good base to improve on anyways!

Update: fixed the red flow by redoing color calibration.

Comments

Author

pmuskee
Paul Muskee
License: None (All rights reserved)
1201
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Revisions

  • M 81 and M 82 Ha + LRGB first test, 



    
        

            Paul Muskee
    Original
  • Final
    M 81 and M 82 Ha + LRGB first test, 



    
        

            Paul Muskee
    B

B

Description: fixed red glow, needed to do color calibration again after adding Ha data

Sky plot

Sky plot

Histogram

M 81 and M 82 Ha + LRGB first test, 



    
        

            Paul Muskee