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Contains:  NGC 2239, NGC 2244, NGC 2252, Rosette nebula, The star 12Mon
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Rosette Nebula, 


Rosette Nebula
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Rosette Nebula

Technical card

Imaging telescopes or lenses:Takahashi FS60C

Imaging cameras:Starlight Xpress Trius SX814

Mounts:iOptron CEM25-EC

Guiding telescopes or lenses:Astro Hutech Mini Borg 50

Guiding cameras:Lodestar X2

Focal reducers:Takahashi Reducer F/4,3 FS-60/BC/CSV

Software:PixInsight 1.8Nebulosity 4

Filters:Astrodon SII, Ha, OIII

Dates:Feb. 19, 2019

Frames: 78x600"

Integration: 13.0 hours

Avg. Moon age: 14.59 days

Avg. Moon phase: 99.96%

Basic astrometry details job: 2581717

RA center: 6h 32' 43"

DEC center: +5° 0' 36"

Pixel scale: 2.994 arcsec/pixel

Orientation: 87.909 degrees

Field radius: 1.541 degrees

Resolution: 2360x2856

Locations: back garden, Catel, Guernsey

Data source: Backyard


I have included the individual narrow band images as they might be of use to those wishing to image this target. SII (3nm) = 22 x 10 minutes, Ha = (5nm) 23 x 10 minutes and OIII (3nm) = 22 x 10 minutes. Taken at f/4.4 and 264mm focal length with a Sony 814 mono CCD sensor, pixel size 3.69 microns.

I also acquired in each red, green and blue 12 x 3 minute exposures.

The total integration time was 778 minutes.



License: None (All rights reserved)


  • Final
    Rosette Nebula, 




Description: Final version with some star reduction.

Sky plot

Sky plot


Rosette Nebula,