Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Sh2-112
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SH2-112, 



    
        

            Joel Shepherd
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SH2-112

Getting plate-solving status, please wait...
SH2-112, 



    
        

            Joel Shepherd
Powered byPixInsight

SH2-112

Imaging telescopes or lenses: TEC 140 APO FL

Imaging cameras: Atik 460EX Mono

Mounts: Astro-Physics Mach1GTO

Guiding cameras: Lodestar X2

Software: Sequence Generator Pro  ·  PixInsight 1.8

Filters: Astrodon 5nm SII  ·  Baader Planetarium LRGB CCD 1.25"  ·  Astrodon 5nm H-alpha  ·  Astrodon 5nm Olll

Accessory: QHYCCD OFF AXIS GUIDER


Dates:July 28, 2019July 29, 2019July 30, 2019July 31, 2019Aug. 6, 2019

Frames:
Astrodon 5nm H-alpha: 18x600" 0C bin 1x1
Astrodon 5nm Olll: 24x600" 0C bin 1x1
Astrodon 5nm SII: 24x600" 0C bin 1x1
Baader Planetarium B 1.25": 19x180" 0C bin 1x1
Baader Planetarium G 1.25": 20x180" 0C bin 1x1
Baader Planetarium R 1.25": 20x180" 0C bin 1x1

Integration: 13.9 hours

Avg. Moon age: 22.94 days

Avg. Moon phase: 13.49%

Bortle Dark-Sky Scale: 6.00


Astrometry.net job: 2925012

RA center: 20h 33' 52"

DEC center: +45° 38' 53"

Pixel scale: 1.416 arcsec/pixel

Orientation: 82.777 degrees

Field radius: 0.400 degrees


Resolution: 1600x1254

Locations: Home, Seattle, WA, United States

Data source: Backyard

Description

SH2-112 in HS/O/O and RGB stars: in Cygnus, about 6000 light-years distant. I found this a very hard target to process even with 14 hours of data. The background is naturally mottled with gasses, which makes it difficult to pull the S-ii and O-iii channels out without making a complete mess of the background. After four passes at processing it, I finally decided to leave the background as more of a suggestion, at the cost of some variety in color in the nebula itself. I'll come back to this in 6-12 months, after I have a few more processing tricks up my sleeve but I'm reasonably happy with this rendition for now.

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