NGC6888



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Ha OIII RGB rendition of the Crescent Nebula, an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth.
This is the result of the collision of the recent stellar wind emitted by the star WR136 colliding with the older shell ejected when it became a red giant.


Optic SW Quattro 8S 200mm f/4 with Baader MPCC Mark III corrector
Camera Atik 383L+
Filters Baader Ha, OIII, R, G, B 36mm
Mount NEQ6 with EQASCOM
Guide
SW 70/500 with AlCCD5
Frame center
RA 20:11:25 DEC 38:25:58 J2000
Date
July August 2021
Site
Astrobioparco di Felizzano, AL, Italy
Exposures Ha - 24x900 @-10C bin 1x1
OIII - 36x900 bin 1x1
R - 24x300s bin 2x2
G - 12x300s bin 2x2
B - 26x300s bin 2x2

Integration time - 20h10m

NGC6888_HORGB

NGC6888_HORGB

NGC6888_HORGB

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