Contains:  Comet, NGC 5473, M 101, NGC 5457, NGC 5422, The star 86UMa, The star 84UMa
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Angel and pinwheel

Technical card

Imaging telescope or lens:Sky-Watcher Esprit 100ED

Imaging camera:QHYCCD IC8300

Mount:SkyWatcher AZ-EQ6 GT

Guiding camera:QHY5L-II

Software:Stark Labs PHD guiding Nebulosity

Resolution: 2300x1229

Dates:Jan. 16, 2016

Integration: 0.0 hours

Avg. Moon age: 6.88 days

Avg. Moon phase: 44.63%

Astrometry.net job: 1882565

RA center: 208.692 degrees

DEC center: 54.478 degrees

Pixel scale: 5.816 arcsec/pixel

Orientation: 193.396 degrees

Field radius: 2.107 degrees

Data source: Unknown

Description

Cosmic constellation: The exact day of 16 January 2016 had been already scheduled into my calendar a couple of months before as it was well-known that Comet C/2013 (Catalina) would be blasting through the Big Dipper near the line-of-sight to the M101 Pinwheel Galaxy on that very day.

http://fenyeslorand.hu/ustokos-a-goncolszekerben/

17 hours (2 panels mosaic)
17 x 600 Luminance (comet)
15 x 300 2×2 RGB (comet)
35 x 600 Luminance (galaxy)
24 x 600 2×2 RGB (galaxy)
49 x 240 ISO800 (star colors - Canon DSLR)

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f.lorand
Lóránd Fényes
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Angel and pinwheel, 





    
        

            Lóránd Fényes