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Contains:  NGC 2244, Rosette nebula, NGC 2239, The star 12Mon
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Rosette Nebula (NGC2244), 


            Stuart Hart
Rosette Nebula (NGC2244)

Rosette Nebula (NGC2244)

Technical card

Resolution: 4944x3284

Dates:Dec. 5, 2019

Frames: 14x300"

Integration: 1.2 hours

Avg. Moon age: 8.46 days

Avg. Moon phase: 61.32% job: 3104371

RA center: 6h 31' 55"

DEC center: +5° 0' 54"

Pixel scale: 1.509 arcsec/pixel

Orientation: 92.618 degrees

Field radius: 1.244

Locations: Home backyard, Portsmouth, Hampshire, United Kingdom

Data source: Backyard


NGC2244 light sample using gain 139 using my beloved ASI071 colour/cooled camera with an Optolong L-eNhance filter on my very old Celestron 102 SLT telescope. The poor glass on this scope is seriously chipped yet I was still able to subtract out the damaged area using a decent set of flats. Very little processing on this image. I just loved the way NGC2244 fitted exactly in the frame of the scope/camera.

Used 14 x 300s OSC lights
The usual:
100 x 32ms darks
60 x 50ms flats
Gain 139 master bias



Stuart Hart
License: None (All rights reserved)

Sky plot

Sky plot


Rosette Nebula (NGC2244), 


            Stuart Hart