Hemisphere:  Northern  ·  Constellation: Monoceros (Mon)  ·  Contains:  NGC 2237  ·  NGC 2238  ·  NGC 2239  ·  NGC 2246  ·  NGC 2252  ·  Rosette A  ·  Rosette B  ·  Rosette Nebula  ·  The star 12Mon
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NGC2244, 2237 Rosette nebula, L-RGB-SHO, 



    
        

            Thomas
NGC2244, 2237 Rosette nebula, L-RGB-SHO
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NGC2244, 2237 Rosette nebula, L-RGB-SHO

Technical card

Imaging telescopes or lenses: Takahashi FC-100DF

Imaging cameras: ZWO ASI1600MM Pro Mono

Mounts: Sky-Watcher HEQ-5 Pro

Guiding cameras: Lacerta MGEN 2

Focal reducers: Takahashi Reducer 76D (0,72x)

Software: APT Astro Photography Tool  ·  Pleiades Astrophoto PinInsight 1.8.8 Ripley

Filters: Astronomik OIII 12nm  ·  Astronomik Ha 12nm  ·  Astronomik B 1.25"  ·  Astronomik G 1.25"  ·  Astronomik R 1.25"  ·  Astronomik SII 12nm  ·  Astronomik CLS 1.25" CCD


Dates:Feb. 13, 2021Feb. 21, 2021

Frames:
Astronomik B 1.25": 13x180" (gain: 138.00) -15C bin 1x1
Astronomik CLS 1.25" CCD: 18x120" (gain: 138.00) -15C bin 1x1
Astronomik CLS 1.25" CCD: 24x60" (gain: 59.00) -15C bin 1x1
Astronomik G 1.25": 14x180" (gain: 138.00) -15C bin 1x1
Astronomik Ha 12nm: 9x270" (gain: 250.00) -15C bin 1x1
Astronomik Ha 12nm: 13x360" (gain: 250.00) -15C bin 1x1
Astronomik OIII 12nm: 4x270" (gain: 250.00) -15C bin 1x1
Astronomik R 1.25": 15x180" (gain: 138.00) -15C bin 1x1
Astronomik SII 12nm: 9x270" (gain: 250.00) -15C bin 1x1

Integration: 6.0 hours

Darks: ~50

Flats: ~20

Flat darks: ~20

Avg. Moon age: 5.30 days

Avg. Moon phase: 34.66%

Bortle Dark-Sky Scale: 5.00

Temperature: -0.22


Basic astrometry details

Astrometry.net job: 4249329

RA center: 6h 32' 6"

DEC center: +4° 57' 7"

Pixel scale: 1.460 arcsec/pixel

Orientation: 217.484 degrees

Field radius: 1.011 degrees


Resolution: 3850x3171

Data source: Backyard

Description

NB with PixelMath 1:1 as SHO (R=RGB+SII; G=RGB+Ha; B=RGB+OIII)
Lum from Ha (HDR)
...with a little failure: overlooked a satellite track on a corner :-(

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