Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent nebula  ·  NGC 6888
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Cresent Nebula bicolor, 



    
        

            rkayakr
Cresent Nebula bicolor
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Cresent Nebula bicolor

Getting plate-solving status, please wait...
Cresent Nebula bicolor, 



    
        

            rkayakr
Cresent Nebula bicolor
Powered byPixInsight

Cresent Nebula bicolor

Equipment

Imaging Telescopes Or Lenses
Skywatcher MN190
Imaging Cameras
ZWO ASI1600MM COOL
Mounts
Orion HDX110 EQ-G
Filters
Astronomik O3 12nm 1.25" · Astronomik Ha 1.25 5nm
Guiding Telescopes Or Lenses
StellarVue SV60ED
Guiding Cameras
ZWO ASI120MM

Acquisition details

Dates:
June 12, 2016 ·  June 13, 2016
Frames:
Astronomik Ha 1.25 5nm: 29×240(1h 56′) (gain: 138.00) -15°C
Astronomik O3 12nm 1.25": 30×240(2h) (gain: 138.00) -15°C
Integration:
3h 56′
Darks:
16
Avg. Moon age:
7.98 days
Avg. Moon phase:
56.29%

Basic astrometry details

Astrometry.net job: 1125128

RA center: 20h12m16s.1

DEC center: +38°2157

Pixel scale: 0.784 arcsec/pixel

Orientation: -78.563 degrees

Field radius: 0.609 degrees

Resolution: 4488x3334

File size: 3.8 MB

Locations: Lake house, Kent, Ohio, United States

Description

My first bicolor

ASI1600mm cool on an MN190, unity gain

Ha 29 x 240 6/12/2016

OIII 30 x 240 6/13/2016

I had terrible halos on the OIII. It turns out that my Ha & SII filters are CCD but the OIII was not. I am trading it in for the OIII CCD model.

Comments

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Cresent Nebula bicolor, 



    
        

            rkayakr

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