Hemisphere:  Northern  ·  Contains:  NGC 7331  ·  NGC 7335  ·  NGC 7337  ·  NGC7331  ·  NGC7333  ·  NGC7335  ·  NGC7336  ·  NGC7337  ·  NGC7338  ·  NGC7340
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NGC 7331, 



    
        

            Daniel.P
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NGC 7331

Imaging telescopes or lenses: CELESTRON EdgeHD 8

Imaging cameras: QHYCCD QHY8L

Mounts: Sky-Watcher NEQ-6 PRO GoTo SkyScan

Guiding telescopes or lenses: CELESTRON EdgeHD 8

Software: Stark Labs Nebulocity 3  ·  PixInsight  ·  PHD Guiding 2.5.0

Accessory: Starlight Xpress Lodestar x2  ·  Starlight Xpress AO Unit


Dates:July 27, 2014

Frames:
1x900" bin 1x1
15x600" -15C bin 1x1

Integration: 2.8 hours

Flats: ~7

Bias: ~20

Avg. Moon age: 0.49 days

Avg. Moon phase: 0.28%


Astrometry.net job: 1009101

RA center: 22h 37' 6"

DEC center: +34° 24' 32"

Pixel scale: 0.758 arcsec/pixel

Orientation: -101.900 degrees

Field radius: 0.384 degrees


Resolution: 3040x2024

Locations: Duc, Prayssas, Lot et Garonne, France

Description

Original : image scaled down 2x2

New version : this version has been processed in Pixinsight : I think this is a better version ?

Pre-processing done in Pixinsight :
- overscan area offset correction
- bias correction
- flat correction
- hot pixel correction
- debayer
- registration
- stack
Processing done in Pixinsight :
- backgroung color neutralisation
- color calibration using galaxy
- residual sky background substraction
- slight deconvolution
- color saturation boost
- green neutral
- TGV denoise
- non linear image creation
Final image :
- jpeg calibration done in Mac Photo

Comments

Author

Daniel.P
Daniel.P
License: None (All rights reserved)
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Revisions

  • NGC 7331, 



    
        

            Daniel.P
    Original
  • Final
    NGC 7331, 



    
        

            Daniel.P
    B

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NGC 7331, 



    
        

            Daniel.P