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Contains:  Bubble nebula, M 52, NGC 7510, NGC 7635, NGC 7654
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NGC 7635 & SH 2-157 (HOO), 


NGC 7635 & SH 2-157 (HOO)
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NGC 7635 & SH 2-157 (HOO)

Technical card

Dates:April 16, 2019April 17, 2019

Frames:STC Astro Duo-Narrowband filter: 131x300" ISO800

Integration: 10.9 hours

Darks: ~10

Flats: ~20

Bias: ~200

Avg. Moon age: 12.01 days

Avg. Moon phase: 91.36%

Bortle Dark-Sky Scale: 7.00

Basic astrometry details job: 3259858

RA center: 23h 18' 13"

DEC center: +60° 41' 6"

Pixel scale: 1.996 arcsec/pixel

Orientation: 37.315 degrees

Field radius: 1.605 degrees

Resolution: 4819x3210

Locations: Balkon, Dresden, Sachsen, Germany

Data source: Backyard


I splitted the RGB-image into channels. Ha data is in the R channel and I mixed the G and B channel because of the overlapping data for OIII. Then I combined the Ha and OIII to a bicolor image.



License: None (All rights reserved)

Sky plot

Sky plot


NGC 7635 & SH 2-157 (HOO),