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Contains:  North America nebula, NGC 7000, NGC 6997, Pelican nebula, IC 5070, IC 5068, The star ξCyg, The star 60Cyg, The star 57Cyg, The star 56Cyg, The star 55Cyg
Getting plate-solving status, please wait...
SHO NA/Pelican reprocess (200mm canon lens), 





    
        

            pfile
SHO NA/Pelican reprocess (200mm canon lens)

SHO NA/Pelican reprocess (200mm canon lens)

Technical card

Imaging telescope or lens:CANON 200 f/2.8

Imaging camera:SBIG STT 8300M

Mount:Astro-Physics Mach1 GTO

Guiding camera:Lodestar

Software:PHD guidingAstroTortillaAstrometry.net

Filters:Astrodon H-alpha 5nmOIII 5nmSII 5nm

Resolution: 2536x3358

Dates:June 23, 2013July 5, 2013

Frames:
Astrodon H-alpha 5nm: 7x1200" -30C bin 1x1
OIII 5nm: 11x1200" -30C bin 1x1
SII 5nm: 13x1200" -30C

Integration: 10.3 hours

Darks: ~50

Flats: ~15

Bias: ~200

Avg. Moon age: 20.92 days

Avg. Moon phase: 53.46%

Bortle Dark-Sky Scale: 7.67

Mean SQM: 19.10

Astrometry.net job: 2149066

RA center: 313.945 degrees

DEC center: 44.047 degrees

Pixel scale: 5.710 arcsec/pixel

Orientation: 359.849 degrees

Field radius: 3.337 degrees

Locations: Casa de Rob, Oakland, CA, United States

Data source: Backyard

Description

it is summertime my dudes. time for cygnus again. sort of.

rework of image from 2013. new techniques...

canon200L with STT-8300M on mach1gto. 1200s exposures, limited by differential flexure.

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SHO NA/Pelican reprocess (200mm canon lens), 





    
        

            pfile