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Contains:  NGC 2403
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NGC 2403 (HaRGB), 


            Bernhard Zimmermann
NGC 2403 (HaRGB)

NGC 2403 (HaRGB)

Technical card

Resolution: 2500x1932

Dates:May 18, 2019

Frames:Optolong H-alpha 12nm EOS APS-C Clip: 20x600" ISO1600

Integration: 3.3 hours

Darks: ~20

Flats: ~25

Bias: ~25

Avg. Moon age: 14.36 days

Avg. Moon phase: 99.81%

Bortle Dark-Sky Scale: 4.00 job: 2707799

RA center: 114.190 degrees

DEC center: 65.577 degrees

Pixel scale: 1.419 arcsec/pixel

Orientation: 357.936 degrees

Field radius: 0.623 degrees

Data source: Traveller


Waidhofen/Thaya (Austria)

mix of old and new data:

RGB: 41 x 300s (from previous picture 2018)
HA: 20 x 600s (new 2019)



Bernhard Zimmermann
License: None (All rights reserved)

Sky plot

Sky plot


NGC 2403 (HaRGB), 


            Bernhard Zimmermann