Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  IC 4605  ·  NGC 6888  ·  The star 22Sco  ·  The star 34Cyg
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Crescent Nebula, 


            Kristopher Setnes
Crescent Nebula
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Crescent Nebula

Technical card

Imaging telescopes or lenses: Astro-Tech AT72EDII

Imaging cameras: Fujifilm X-T20

Mounts: SkyWatcher EQ6-R Pro

Guiding telescopes or lenses: Orion 50mm Mini Guidescope

Guiding cameras: QHYCCD QHY5L-II-M

Focal reducers: Apertura FFADJ Adjustable Flattener

Software: Astroberry Server  ·  PHD2 Guiding  ·  CCD Ciel  ·  Siril  ·  The GNU Image Manipulation Program  ·  RawTherapee

Dates:June 16, 2020June 20, 2020

74x120" ISO200
38x180" ISO200

Integration: 4.4 hours

Darks: ~26

Flats: ~30

Bias: ~58

Avg. Moon age: 26.90 days

Avg. Moon phase: 10.92%

Bortle Dark-Sky Scale: 7.00

Basic astrometry details

Astrometry.net job: 3625773

RA center: 20h 13' 18"

DEC center: +38° 29' 9"

Pixel scale: 2.859 arcsec/pixel

Orientation: 2.643 degrees

Field radius: 1.546 degrees

Resolution: 3240x2160

Data source: Backyard


Taken over two nights from heavy light pollution. No filters were used.

I'm closer to Bortle 7 than 6.


Sky plot

Sky plot


Crescent Nebula, 


            Kristopher Setnes