Hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2239  ·  NGC 2244  ·  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: Williams Optics Zenithstar 105 ED Triplet APO

Imaging cameras: ZWO ASI1600mm Pro Cooled

Mounts: Orion Atlas AZ/EQ Pro

Guiding telescopes or lenses: 9x50 Finder Scope

Guiding cameras: QHY5L-II-M

Focal reducers: William Optics 0.8x Reducer/Flattener Flat6A II

Software: KStars Ekos/INDI, Stellarmate OS  ·  Adobe Phosotshop CC  ·  Adobe Lighroom CC Classic  ·  PixInsight 1.8

Filters: Astronomik SII 31mm 6nm  ·  Astronomik OIII 31mm 6nm  ·  Astronomik Ha 31mm 6nm  ·  Astronomik Blue 31mm  ·  Astronomik Green 31mm  ·  Astronomik Red 31mm

Dates:Feb. 22, 2019March 13, 2019

Astronomik Blue 31mm: 40x10" (gain: 139.00) -25C
Astronomik Green 31mm: 40x10" (gain: 139.00) -25C
Astronomik Ha 31mm 6nm: 16x480" (gain: 139.00) -25C
Astronomik OIII 31mm 6nm: 21x480" (gain: 139.00) -25C
Astronomik Red 31mm: 40x10" (gain: 139.00) -25C
Astronomik SII 31mm 6nm: 18x480" (gain: 139.00) -25C

Integration: 7.7 hours

Darks: ~25

Flats: ~25

Bias: ~100

Avg. Moon age: 12.23 days

Avg. Moon phase: 64.20%

Bortle Dark-Sky Scale: 6.00

Basic astrometry details

Astrometry.net job: 2590245

RA center: 6h 32' 2"

DEC center: +4° 55' 33"

Pixel scale: 1.363 arcsec/pixel

Orientation: 56.083 degrees

Field radius: 0.970 degrees

Resolution: 3200x4000

Data source: Backyard


Processed with Hubble palette, using the technique described in http://bf-astro.com/hubblep.htm. Separate short images for some star color masked in.


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Sky plot

Sky plot


Rosette Nebula,