Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Crescent Nebula  ·  NGC 6888
Crescent Nebula (NGC6888) updated stars processing and different taste, 



    
        

            Jian Yuan Peng
Crescent Nebula (NGC6888) updated stars processing and different taste
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Crescent Nebula (NGC6888) updated stars processing and different taste

Crescent Nebula (NGC6888) updated stars processing and different taste, 



    
        

            Jian Yuan Peng
Crescent Nebula (NGC6888) updated stars processing and different taste
Powered byPixInsight

Crescent Nebula (NGC6888) updated stars processing and different taste

Equipment

Imaging Telescopes Or Lenses
TEC 160FL
Imaging Cameras
ZWO ASI6200MC Pro ASI6200MC Pro
Mounts
Astro-Physics Mach 2 GTO
Filters
STC Astro Dual-Narrowband filter STC Dual
Accessories
ZWO Off-Axis Guider · Tec frc 0.9x Tec frc
Software
SePHD2, Pixinsight, Lightroom, Sequence Generator Pro, Photoshop Sequence Generator Pro, PHD2, Pixinsight, Lightroom, Photoshop
Guiding Cameras
ZWO ASI290MM Guide Camera

Acquisition details

Dates:
June 10, 2020
Frames:
97x600" (16h 10')
Integration:
16h 10'
Avg. Moon age:
19.60 days
Avg. Moon phase:
75.83%

Basic astrometry details

Astrometry.net job: 3631735

RA center: 20h11m19s.4

DEC center: +38°2504

Pixel scale: 1.358 arcsec/pixel

Orientation: 0.103 degrees

Field radius: 1.109 degrees

Resolution: 4800x3394

Locations: CourtYard, Palo Alto, CA, United States

Data source: Backyard

Description

Post-process this image used the Adam Block's star de-emphasis method to reduce the stars.

Also, I made a little change to make the whole starfield dark to emphasize the main object for my taste.

Acquired this target from June 2 to June 9, 2020, at Bortle scale 7 location. The narrowband filter did help a lot to reduce light pollution. This was my first time mounted TEC 160FL on A-P Mach2GTO without modeling. In order to take advantage of the optical of the telescope, I decided to use a full-frame color camera - ASI6200MC pro. Used bin2 did help to reduce the exposure time and retain the contrast and high signal to noise ratio.

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Crescent Nebula (NGC6888) updated stars processing and different taste, 



    
        

            Jian Yuan Peng