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


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

Technical card

Dates:Aug. 21, 2015Aug. 22, 2017

Astronomik CCD CLS Canon EOS Clip: 22x300" ISO800
Astronomik CCD Ha 12nm Canon EOS Clip: 18x420" ISO800

Integration: 3.9 hours

Darks: ~4

Flats: ~17

Bias: ~100

Avg. Moon age: 3.48 days

Avg. Moon phase: 19.04%

Bortle Dark-Sky Scale: 5.00

Basic astrometry details job: 3250621

RA center: 20h 59' 30"

DEC center: +44° 27' 36"

Pixel scale: 2.254 arcsec/pixel

Orientation: 268.614 degrees

Field radius: 1.510 degrees

Resolution: 4219x2341

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

Data source: Own remote observatory


Ha-RGB (H-Alpha luminance with true colors)
4h total exposure time at 800 iso (Tournefeuille, France)
600/80 mm Refractor – 450D EOS filter removed - H-Alpha & CLS filters
Preprocessing with IRIS (Christian Buil software)
Image processing with Photoshop
Final touch in Lightroom



Olivier Ravayrol
License: None (All rights reserved)

Sky plot

Sky plot


NGC7000 - The America Nebula (Ha-RGB), 


            Olivier Ravayrol