Hemisphere:  Northern  ·  Contains:  Crescent nebula  ·  NGC 6888
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Crescent nebula in HOO, 



    
        

            hydrofluoric
Crescent nebula in HOO
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Crescent nebula in HOO

Technical card

Imaging telescopes or lenses: Explorer Scientific 127mm APO FCD100

Imaging cameras: ZWO ASI 1600MM-Pro

Mounts: SkyWatcher SW NEQ6

Guiding telescopes or lenses: Willam Optics Zenith 61 apo

Guiding cameras: ZWO ASI 120MM

Focal reducers: Altair Astro lightwave x1

Software: Stark Labs PHD guiding  ·  PS CC2018  ·  APT Astro Photography Tool 3.53  ·  Stellarium, StellaiumScope  ·  Astroart 6.0

Filters: ZWO H-alpha 36mm  ·  ZWO O-III 36mm

Accessory: ZWO Optical ZWO EFW7 36mm


Dates:June 28, 2018June 29, 2018

Frames:
ZWO H-alpha 36mm: 53x180" (gain: 139.00) -20C bin 1x1
ZWO O-III 36mm: 52x120" (gain: 139.00) -20C bin 1x1

Integration: 4.4 hours

Darks: ~49

Flats: ~49

Flat darks: ~49

Avg. Moon age: 15.47 days

Avg. Moon phase: 99.21%

Bortle Dark-Sky Scale: 6.00


Basic astrometry details

Astrometry.net job: 3140940

RA center: 20h 12' 12"

DEC center: +38° 20' 56"

Pixel scale: 0.827 arcsec/pixel

Orientation: 354.056 degrees

Field radius: 0.470 degrees


Resolution: 3319x2389

Locations: BackYard Class 6 Bortle, Bristol, United Kingdom

Data source: Backyard

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hydrofluoric
hydrofluoric
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Crescent nebula in HOO, 



    
        

            hydrofluoric