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Contains:  NGC 6946, NGC 6939
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NGC 6946, NGC 6939, 





    
        

            Stathis
NGC 6946, NGC 6939

NGC 6946, NGC 6939

Technical card

Imaging telescopes or lenses:Williams Optics FLT 98TS Optics TS6IN

Imaging cameras:QHYCCD QHY9MQHYCCD QHY8

Mount:HEQ5 PRO

Guiding telescope or lens:Skywatcher Finderscope 9x50

Guiding camera:QHY5

Focal reducer:Televue TRF-2008

Software:PHD GuidingPixinsight 1.8Photoshop

Filter:QHY Filters Luminance

Resolution: 1897x1478

Dates:June 1, 2012Aug. 1, 2015

Frames:
36x600" bin 1x1
QHY Filters Luminance: 45x300" bin 1x1

Integration: 9.8 hours

Darks: ~20

Flats: ~10

Bias: ~20

Avg. Moon age: 13.64 days

Avg. Moon phase: 92.82%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 20.50

Astrometry.net job: 1797463

RA center: 308.320 degrees

DEC center: 60.372 degrees

Pixel scale: 2.289 arcsec/pixel

Orientation: 261.103 degrees

Field radius: 0.765 degrees

Locations: Chiliomodi, Corinth, Corinthia, Greece

Description

Luminance from QHY9, color from QHY8

Comments

Author

Stathis
Stathis
License: Attribution-NonCommercial Creative Commons
3191
Like

Revisions

  • NGC 6946, NGC 6939, 





    
        

            Stathis
    Original
  • Final
    NGC 6946, NGC 6939, 





    
        

            Stathis
    B

Sky plot

Sky plot

Histogram

NGC 6946, NGC 6939, 





    
        

            Stathis

In these public groups

Cloudy Nights
QHY Users Group