NGC7000 (America Nebula)

H-SHO (H-Alpha luminance with Hubble palette color)

6h50 total average exposure time at 800 iso (Tournefeuille, France)

600/80 mm Refractor – 450D EOS filter removed

Colors/Filters : L=CLS, R=SII, G=Ha, B=OIII

Preprocessing with IRIS (Christian Buil software)

Image processing with Photoshop

Final touch in Lightroom

Done