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Contains:  M 27, Dumbbell nebula, NGC 6853
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M 27  -  bicolor + RGB, 





    
        

            Lars Stephan
M 27  -  bicolor + RGB

M 27 - bicolor + RGB

Technical card

Imaging telescope or lens:Zeiss APQ130

Imaging cameras:ZWO ASI290MMZWO ASI1600mm-Cool

Resolution: 1800x1188

Dates:Aug. 30, 2016Oct. 13, 2018Oct. 14, 2018

Frames:
TS 1,25" Ha7nm Filter: 96x60"
Baader O3 1.25'' 8.5nm: 120x60"
TS Optics LRGB-Filterset 1,25“: 1x3882"

Integration: 4.7 hours

Avg. Moon age: 12.48 days

Avg. Moon phase: 17.75%

Astrometry.net job: 2750679

RA center: 299.903 degrees

DEC center: 22.722 degrees

Pixel scale: 0.847 arcsec/pixel

Orientation: 179.035 degrees

Field radius: 0.254 degrees

Data source: Backyard

Description

With the new ASI290mm I made some test shots of M27 in 2016, unfortunately only in 8 bit. I have now edited the LRGB of this so that it can be combined with the bicolor from 2018.
Next, I would have to make better RGB shots, then I could also renew the stars.

30./31. August 2016 - APQ 130/1000 - ASI290mm:
L = 211 x 6 s, R = 73 x 12 s, G = 72 x 12 s, B= 73 x 12 s

13./14. Oktober 2018 - APQ 130/1000 x 0,75 - ASI1600mmc:
H-alpha = 96 x 60 s, OIII = 120 x 60 s

Comments

Author

LarsSt
Lars Stephan
License: None (All rights reserved)
1410
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Revisions

  • M 27  -  bicolor + RGB, 





    
        

            Lars Stephan
    Original
  • Final
    M 27  -  bicolor + RGB, 





    
        

            Lars Stephan
    B

B

more from the H-alpha / OIII, stars a little bit reduced

Sky plot

Sky plot

Histogram

M 27  -  bicolor + RGB, 





    
        

            Lars Stephan