Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  Crescent nebula  ·  NGC 6888  ·  NGC6888  ·  Sh2-105
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ngc 6888 - combination O3 and Ha - first try, 


            Stefano Ciapetti
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ngc 6888 - combination O3 and Ha - first try

Technical card

Astrometry.net job: 4077629

RA center: 20h 12' 3"

DEC center: +38° 20' 21"

Pixel scale: 0.984 arcsec/pixel

Orientation: -120.335 degrees

Field radius: 0.361 degrees

Resolution: 2165x1509

Locations: Prato - S.Lucia Home Terrace Observatory, Prato, Prato, Italy

Data source: Backyard


This image is the combination of the 2 below:



This is the first combination test, done with Astroart. I have used HA for red and O3 for green and blue.
Still a lot to learn how to do narrow band combination.

Thanks for looking