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Contains:  Crescent nebula, IC 4996, NGC 6888, The star 28Cyg, The star 29Cyg
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Ha RGB Crescent Nebula, Ngc 6888, 



    
        

            mihai
Ha RGB Crescent Nebula, Ngc 6888
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Ha RGB Crescent Nebula, Ngc 6888

Technical card


Frames:
Astronomik UHC Clip-Filter: 35x360" ISO400
Astronomik Ha 12nm CCD Clip filter: 58x360" ISO400

Integration: 9.3 hours

Darks: ~25

Flats: ~25

Bortle Dark-Sky Scale: 9.00

Temperature: 24.50


Basic astrometry details

Astrometry.net job: 1701731

RA center: 20h 12' 8"

DEC center: +38° 21' 18"

Pixel scale: 2.267 arcsec/pixel

Orientation: 90.858 degrees

Field radius: 1.932 degrees


Resolution: 5140x3351

Locations: red zone, barcelona, Barcelona, Spain

Data source: Backyard

Description

Image taken during 3 nights at 24 C. Normally the sensor temperature goes up to 38-40 C but with the help of my selfmade cooling system I have managed to maintain the sensor temperatura between 23 and 25 C. It make a big difference

Comments

Author

cosmihai
mihai
License: None (All rights reserved)
3536
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Revisions

  • Ha RGB Crescent Nebula, Ngc 6888, 



    
        

            mihai
    Original
  • Ha RGB Crescent Nebula, Ngc 6888, 



    
        

            mihai
    B
  • Ha RGB Crescent Nebula, Ngc 6888, 



    
        

            mihai
    C
  • Final
    Ha RGB Crescent Nebula, Ngc 6888, 



    
        

            mihai
    D

Sky plot

Sky plot

Histogram

Ha RGB Crescent Nebula, Ngc 6888, 



    
        

            mihai