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Contains:  Crescent nebula, NGC 6888
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NGC6888 "Crescent Nebula", 


NGC6888 "Crescent Nebula"

NGC6888 "Crescent Nebula"

Technical card

Resolution: 2013x1445

Frames: 20x600"

Integration: 3.3 hours job: 816619

RA center: 303.034 degrees

DEC center: 38.345 degrees

Pixel scale: 0.807 arcsec/pixel

Orientation: -178.636 degrees

Field radius: 0.278 degrees

Locations: Emberger Alm, Austria, Emberger, Alm, Kärnten, Austria


NGC6888 "Crescent Nebula"

The picture was taken on the Emberger Alm in the Austrian Alps. The Seeing was very bad, i was not able to focus better than FWHM 4,5. To receive a reasonably result i decided to oversharpen the image and rescaled it to 60%. Due to the bad weather I could collect only a few hours of light, but I think the final image is OK.

8x 10min. H-Alpha Bin1x1
12x 10min. O3 Bin2x2

Mount: Sideres 85
Optics: Selfmade Newton by Detlef Hartmann 443/2048 f4.6 (2350mm f5.3 with Paracorr)
Location: Emberger Alm, Austrian Alps



License: None (All rights reserved)

Sky plot

Sky plot


NGC6888 "Crescent Nebula",