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Contains:  NGC 6997, NGC 7000, North America nebula, The star ξCyg
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NGC7000 - The America Nebula (Ha-SHO), 


            Olivier Ravayrol
NGC7000 - The America Nebula (Ha-SHO)
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NGC7000 - The America Nebula (Ha-SHO)

Technical card

Dates:Aug. 20, 2017Aug. 21, 2017Aug. 22, 2017

Astronomik CCD Ha 12nm Canon EOS Clip: 18x420" ISO800
Astronomik CCD OIII 12nm Canon EOS Clip: 13x420" ISO800
Astronomik CCD SII 12nm Canon EOS Clip: 12x420" ISO800

Integration: 5.0 hours

Darks: ~4

Flats: ~29

Bias: ~100

Avg. Moon age: 19.39 days

Avg. Moon phase: 0.99%

Bortle Dark-Sky Scale: 5.00

Basic astrometry details job: 3250539

RA center: 21h 0' 31"

DEC center: +44° 35' 38"

Pixel scale: 2.252 arcsec/pixel

Orientation: 270.273 degrees

Field radius: 1.469 degrees

Resolution: 3859x2680

Locations: Observatoire personnel, Tournefeuille, Haute-Garonne, France

Data source: Own remote observatory


H-SHO (H-Alpha luminance with Hubble palette color)
5h00 total average exposure time at 800 iso (Tournefeuille, France)
600/80 mm Refractor – 450D EOS filter removed
Colors/Filters : L=Ha, R=SII, G=Ha, B=OIII
Preprocessing with IRIS (Christian Buil software)
Image processing with Photoshop
Final touch in Lightroom



Olivier Ravayrol
License: None (All rights reserved)


  • NGC7000 - The America Nebula (Ha-SHO), 


            Olivier Ravayrol
  • Final
    NGC7000 - The America Nebula (Ha-SHO), 


            Olivier Ravayrol


Description: New pretreatment with SIRIL software New SHO treatment technic New noise reduction with Noiseware plugin

Sky plot

Sky plot


NGC7000 - The America Nebula (Ha-SHO), 


            Olivier Ravayrol