Contains: NGC 2252, IC 448, NGC 2244, Rosette nebula, NGC 2239, NGC 2236, The star 13Mon, The star 12Mon
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Rosette Nebula in H-alpha

Technical card

Imaging telescope or lens: Samyang 135mm f/2 ED UMC

Imaging camera: ZWO ASI174MM

Mount: Sky-Watcher HEQ5 PRO

Guiding telescope or lens: Skywatcher ST80

Guiding camera: ZWO ASI034MC

Software: Deep Sky StackerGIMP 2.9PHD2 Guiding

Filter: Baader Ha 7nm 2"

Resolution: 1920x1200

Dates: Jan. 19, 2017

Frames: Baader Ha 7nm 2": 12x300" (gain: 180.00)

Integration: 1.0 hours

Darks: ~23

Avg. Moon age: 21.76 days

Avg. Moon phase: 54.14%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 1415134

RA center: 97.945 degrees

DEC center: 4.899 degrees

Pixel scale: 9.481 arcsec/pixel

Orientation: -100.546 degrees

Field radius: 2.982 degrees

Locations: Home, Stanford in the Vale, Oxfordshire, United Kingdom

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Author

Jonathan Edgecombe
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Rosette Nebula in H-alpha, Jonathan Edgecombe

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