Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  IC 4996  ·  NGC 6888  ·  The star 28Cyg  ·  The star 29Cyg  ·  The star 34Cyg  ·  The star 36Cyg
Crescent Nebula in Ha, 



    
        

            Jonathan Edgecombe
Crescent Nebula in Ha
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Crescent Nebula in Ha

Technical card

Imaging telescopes or lenses: Canon FD 200mm f/2.8 S.S.C.

Imaging cameras: ZWO ASI174MM

Mounts: Sky-Watcher HEQ5 PRO

Guiding telescopes or lenses: Skywatcher ST80

Guiding cameras: ZWO ASI034MC

Software: Deep Sky Stacker  ·  GIMP 2.9  ·  PHD2 Guiding

Filters: Baader Ha 7nm 2"


Dates:Aug. 16, 2016

Frames:Baader Ha 7nm 2": 17x300" (1h 25') (gain: 32.00) 7C

Integration: 1h 25'

Darks: ~18

Avg. Moon age: 12.78 days

Avg. Moon phase: 95.61%


Basic astrometry details

Astrometry.net job: 1200044

RA center: 20h 13' 5"

DEC center: +38° 17' 31"

Pixel scale: 6.182 arcsec/pixel

Orientation: -101.175 degrees

Field radius: 1.957 degrees


Resolution: 620x389

Locations: Home, Stanford in the Vale, Oxfordshire, United Kingdom

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Crescent Nebula in Ha, 



    
        

            Jonathan Edgecombe