Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888
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Crescent Nebula, 



    
        

            Charles Ward
Crescent Nebula
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Crescent Nebula

Getting plate-solving status, please wait...
Crescent Nebula, 



    
        

            Charles Ward
Crescent Nebula
Powered byPixInsight

Crescent Nebula

Technical card

Imaging telescopes or lenses: Orion 8" f/3.9 Newtonian Astrograph

Imaging cameras: QSI 683 wsg-8

Mounts: AVX

Focal reducers: MPCC

Software: PixInsight

Filters: Orion SkyGlow 2" Imaging Filter


Frames:
Astrodon 3nm Ha: 65x300" (5h 25') bin 2x2
Astrodon 3nm OIII: 61x300" (5h 5') bin 2x2
Astrodon Blue Tru-Balance E-Series Gen 2: 9x240" (36') bin 2x2
Astrodon Green Tru-Balance E-Series Gen 2: 9x240" (36') bin 2x2
Astrodon Red Tru-Balance E-Series Gen 2: 9x240" (36') bin 2x2

Integration: 12h 18'


Basic astrometry details

Astrometry.net job: 286749

RA center: 20h12m01s.9

DEC center: +38°2107

Pixel scale: 2.763 arcsec/pixel

Orientation: 4.524 degrees

Field radius: 0.791 degrees


Resolution: 1640x1248

Description

Found this to be a relatively challenging target to process. Getting the detail in the crescent to come out is tricky, and the background nebulosity has to be balanced so that it comes out without the picture looking too red.

Version D is a from-scratch reprocess, with no new data.

Comments

Revisions

  • Final
    Crescent Nebula, 



    
        

            Charles Ward
    Original
  • Crescent Nebula, 



    
        

            Charles Ward
    B
  • Crescent Nebula, 



    
        

            Charles Ward
    C
  • Crescent Nebula, 



    
        

            Charles Ward
    D

Sky plot

Sky plot

Histogram

Crescent Nebula, 



    
        

            Charles Ward