Contains:NGC 7337, NGC 7335, NGC 7331, NGC 7320, NGC 7319, NGC 7318, Stephan's Quintet, NGC 7317
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NGC 7331 and Stephan's Quintet, 




    

        Konstantinos Stav...
NGC 7331 and Stephan's Quintet

NGC 7331 and Stephan's Quintet

Technical card

Imaging telescope or lens:GSO RC8

Imaging camera:Atik 383L+

Mount:Sky-Watcher HEQ5

Guiding telescope or lens:GSO RC8

Guiding camera:Lodestar

Software:photoshopEQMod EQASCOMCartes du CielPHD guidingMaxim DLCCDStack

Filters:Baader L 1.25'' FilterBaader B 1.25'' FilterBaader G 1.25'' FilterBaader R 1.25'' Filter

Accessories:Atik EFW2OAG

Resolution: 3274x2467

Dates: July 20, 2012Aug. 13, 2012Sept. 28, 2012

Frames:
Baader B 1.25'' Filter: 5x600" -10C bin 2x2
Baader G 1.25'' Filter: 5x600" -10C bin 2x2
Baader L 1.25'' Filter: 7x1200" -10C bin 1x1
Baader R 1.25'' Filter: 5x600" -10C bin 2x2

Integration: 4.8 hours

Darks: ~20

Flats: ~20

Bias: ~20

Avg. Moon age: 13.32 days

Avg. Moon phase: 38.84%

Bortle Dark-Sky Scale: 4.00

Mean FWHM: 5.23

Astrometry.net job: 204271

RA center: 339.119 degrees

DEC center: 34.212 degrees

Pixel scale: 0.691 arcsec/pixel

Orientation: -91.130 degrees

Field radius: 0.393 degrees

Locations: Kefalonia, Razata, Kefalonia, Greece

Data source: Unknown

Comments

Author

kookoo_gr
Konstantinos Stav...
License: Attribution-ShareAlike Creative Commons
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NGC 7331 and Stephan's Quintet, 




    

        Konstantinos Stav...