Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  Crescent nebula  ·  NGC 6888  ·  NGC6888  ·  Sh2-105
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C27 - Crescent Nebula - Ha, 



    
        

            Greg Polanski
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C27 - Crescent Nebula - Ha

Imaging telescopes or lenses: Sky Watcher 150/750 Sky Watcher Black Diamond

Imaging cameras: QHY163M

Mounts: SkyWatcher EQ6-R Pro (EQMOD)

Guiding telescopes or lenses: Orion 60mm Multi-Use Guide Scope with Helical Focuser

Guiding cameras: Orion Starshoot Autoguider

Focal reducers: Sky-Watcher Coma corrector f/5

Software: PinInsight 1.8  ·  PHD Lab PhD 2 Guiding  ·  Sequence Generator Pro v3.0

Filters: Baader 2" HA 7nm

Accessory: PrimaLuceLab Sesto Senso Robotic Focusing Motor  ·  QHYCCD QHYCFW3-M


Dates:June 7, 2019June 9, 2019

Frames:
Baader 2" HA 7nm: 31x300" (gain: 174.00) -15C bin 1x1
Baader 2" HA 7nm: 19x600" (gain: 174.00) -15C bin 1x1

Integration: 5.8 hours

Darks: ~10

Bias: ~50

Avg. Moon age: 5.50 days

Avg. Moon phase: 30.99%

Bortle Dark-Sky Scale: 4.67

Temperature: 7.00


Astrometry.net job: 3630669

RA center: 20h 12' 11"

DEC center: +38° 19' 25"

Pixel scale: 1.152 arcsec/pixel

Orientation: -71.000 degrees

Field radius: 0.397 degrees


Resolution: 2067x1378

Locations: The Dark Sky Preserve in North Frontenac, Plevna, ON, Canada

Data source: Traveller

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  • C27 - Crescent Nebula - Ha, 



    
        

            Greg Polanski
    Original
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    C27 - Crescent Nebula - Ha, 



    
        

            Greg Polanski
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G

Description: Noise removed

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C27 - Crescent Nebula - Ha, 



    
        

            Greg Polanski