Contains: Cocoon nebula, IC 5146
Getting plate-solving status, please wait...

The Cocoon Nebula

Technical card

Imaging telescope or lens: Sky-Watcher 80ED

Mount: Celestron CG5 ADV-GT

Guiding telescope or lens: Sky-Watcher 9x50 finderscope

Guiding camera: Astrolumina ALccd5.2

Software: NebulosityphotoshopPHD guidingDeepSkyStackerIrisAPT - Astro Photography ToolAstroTortilla

Resolution: 2810x1718

Dates: Aug. 28, 2013Aug. 30, 2013Aug. 31, 2013Sept. 5, 2013

15x120" ISO1600
3x1200" ISO200
6x1800" ISO200
Astronomik 12nm Ha Clip-In Filter: 3x1800" ISO800

Integration: 6.0 hours

Flats: ~50

Bias: ~50

Avg. Moon age: 17.80 days

Avg. Moon phase: 25.45% job: 84125

RA center: 328.100 degrees

DEC center: 47.308 degrees

Pixel scale: 1.786 arcsec/pixel

Orientation: -177.451 degrees

Field radius: 0.817 degrees


Total integration is 3h 30min, from histogram matched subexposures ranging from iso1600/120s to iso200/1800s.



Jussi Kantola


Sky plot

Sky plot


The Cocoon Nebula, 


        Jussi Kantola

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APT - Astro Photography Tool