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Contains:  12 Mon, NGC 2239, NGC 2244, NGC 2252, NGC2237, NGC2238, NGC2239, NGC2244, NGC2246, NGC2252, Rosette nebula, Sh2-275, The star 12Mon
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Rosette Nebula in HA + SII with RGB stars, 



    
        

            Tristan Campbell
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Rosette Nebula in HA + SII with RGB stars

Technical card


Dates:Feb. 4, 2020

Frames: 90x60"

Integration: 1.5 hours

Avg. Moon age: 9.66 days

Avg. Moon phase: 73.32%


Astrometry.net job: 3223953

RA center: 6h 32' 31"

DEC center: +5° 2' 32"

Pixel scale: 2.661 arcsec/pixel

Orientation: -20.340 degrees

Field radius: 1.408 degrees


Resolution: 3280x2250

Data source: Backyard

Description

Bit of an experiment with the RASA and Esprit 80. Skies kind of finally cleared here in the UK but moon very prominent. This is 1 hour HA and 30 mins SII on the RASA with about an hour each of R, G and B on the Esprit for the stars. Exposure times purely weather limited. Colour in stars isn't quite what I was hoping for, I think the moon is just too bright at the moment for RGB. Didn't even attempt OIII as SII was pretty washed out. I do quite like the skull shape in this image. No flats.

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AbsolutelyN
Tristan Campbell
License: None (All rights reserved)
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Rosette Nebula in HA + SII with RGB stars, 



    
        

            Tristan Campbell