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The cone nebula in H alpha RGB, 


            Christoph Lichtblau
The cone nebula in H alpha RGB
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The cone nebula in H alpha RGB

Technical card

Dates:Jan. 2, 2020

Frames: 215x350"

Integration: 20.9 hours

Avg. Moon age: 6.77 days

Avg. Moon phase: 43.45%

Basic astrometry details job: 3156395

RA center: 6h 41' 11"

DEC center: +9° 27' 18"

Pixel scale: 0.665 arcsec/pixel

Orientation: 1.699 degrees

Field radius: 0.402 degrees

Resolution: 2782x3348

Locations: Backyard, Eschborn, Hessen, Germany

Data source: Backyard


Had several good nights here in Germany over the last time. So I began the project "the cone". Over six nights I exposed on it with several settings on the ASI 1600 mm pro. Best filter was the Baader H alpha 7 nm with gain 300 and 350 sec. Coloring was quite tough, because green and blue data was very flaw under my polluted sky. Combining and processing took about 15 h of my holiday. But it was was pure fun with my hobby. I wish you all the best for 2020 and may your nightsky always be clear.



Christoph Lichtblau

Sky plot

Sky plot


The cone nebula in H alpha RGB, 


            Christoph Lichtblau