Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888  ·  Sh2-105
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Crescent Nebula (NGC6888) close up in Hα/SII/OIII, 



    
        

            Jose Carballada
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Crescent Nebula (NGC6888) close up in Hα/SII/OIII

Getting plate-solving status, please wait...
Crescent Nebula (NGC6888) close up in Hα/SII/OIII, 



    
        

            Jose Carballada
Powered byPixInsight

Crescent Nebula (NGC6888) close up in Hα/SII/OIII

Imaging telescopes or lenses: GSO RC8 Carbon Fiber

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Skywatcher AZ EQ-6 GT

Guiding telescopes or lenses: Celestron OAG Deluxe

Guiding cameras: QHYCCD QHY5III174

Focal reducers: Telescope-Service TS 2" Flattener

Software: Pleiades Astrophoto PixInsight  ·  Seqence Generator Pro

Filters: Baader Planetarium OIII 1.25" 8.5nm  ·  Baader Planetarium Ha 1.25" 7nm  ·  Baader Planetarium SII 1.25" 8nm

Accessory: ZWO EFW  ·  Baader Planetarium Steeltrack 2"


Dates:Aug. 17, 2017Aug. 18, 2017Aug. 21, 2017

Frames:
Baader Planetarium Ha 1.25" 7nm: 15x300" (1h 15') (gain: 200.00) -20C bin 1x1
Baader Planetarium Ha 1.25" 7nm: 15x600" (2h 30') (gain: 200.00) -20C bin 1x1
Baader Planetarium OIII 1.25" 8.5nm: 15x300" (1h 15') (gain: 200.00) -20C bin 1x1
Baader Planetarium SII 1.25" 8nm: 15x300" (1h 15') (gain: 200.00) -20C bin 1x1

Integration: 6h 15'

Darks: 100

Flats: 150

Bias: 300

Avg. Moon age: 26.65 days

Avg. Moon phase: 12.46%


Astrometry.net job: 1703819

RA center: 20h 12' 7"

DEC center: +38° 20' 40"

Pixel scale: 0.478 arcsec/pixel

Orientation: -90.950 degrees

Field radius: 0.311 degrees


Resolution: 3680x2892

Locations: Berga Resort, Berga, Barcelona, Spain

Data source: Backyard

Description

Maximum close up from my suburban location in CFHT palette

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