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Contains:  NGC 7023
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NGC 7023  Iris Nebula, 


            Robert Eder
NGC 7023  Iris Nebula

NGC 7023 Iris Nebula

Technical card

Resolution: 2500x1665

Dates:Aug. 1, 2017

Frames: 12x180" ISO1600

Integration: 0.6 hours

Darks: ~10

Bias: ~10

Avg. Moon age: 9.06 days

Avg. Moon phase: 67.49%

Bortle Dark-Sky Scale: 5.00 job: 1684020

RA center: 315.379 degrees

DEC center: 68.159 degrees

Pixel scale: 1.752 arcsec/pixel

Orientation: 111.265 degrees

Field radius: 0.731 degrees

Locations: Sofienalpe, Vienna, Austria

Data source: Traveller


Another souvenir from our last observation night.
It was very challanging to bring out the brown clouds from the short integration time.
I tried new ways of noise reduction because it was noisy as hell.



Robert Eder
License: None (All rights reserved)

Sky plot

Sky plot


NGC 7023  Iris Nebula, 


            Robert Eder