Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Orion Nebula  ·  Lower Sword  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1982  ·  Orion Nebula  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri  ·  the Running Man Nebula
Getting plate-solving status, please wait...
M42 in LRGB high definition, 


            Vincent F

M42 in LRGB high definition

Technical card

Imaging telescopes or lenses: Lacerta photonewton 200/800

Imaging cameras: ZWO 1600MM-C

Mounts: SkyWatcher AZ-EQ6 GT

Guiding telescopes or lenses: Kepler guidescope 60/240

Guiding cameras: ZWO ASI 290MM Mini

Focal reducers: Skywatcher f4 comacorrector

Software: Astrophotography tools APT  ·  PixInsight

Filters: ZWO L 36mm  ·  ZWO R 36mm  ·  ZWO G 36mm  ·  ZWO B 36mm  ·  ZWO H-alpha 36mm

Accessory: Lacerta Mfoc Motorfocus  ·  ZWO Filterwheel EFW 7x 36mm

Dates:Oct. 10, 2018Oct. 13, 2018

ZWO B 36mm: 9x180" (gain: 0.00) -15C bin 1x1
ZWO G 36mm: 9x180" (gain: 0.00) -15C bin 1x1
ZWO L 36mm: 51x180" (gain: 0.00) -15C bin 1x1
ZWO L 36mm: 21x30" (gain: 0.00) -15C bin 1x1
ZWO R 36mm: 9x180" (gain: 0.00) -15C bin 1x1

Integration: 4.1 hours

Darks: ~126

Flats: ~51

Bias: ~101

Avg. Moon age: 2.92 days

Avg. Moon phase: 11.39%

Bortle Dark-Sky Scale: 1.00

Basic astrometry details

Astrometry.net job: 4309906

RA center: 5h 35' 15"

DEC center: -5° 23' 27"

Pixel scale: 0.654 arcsec/pixel

Orientation: 271.319 degrees

Field radius: 0.791 degrees

Resolution: 6952x5261

Locations: Chaudon-Norante, Chaudon-Norante, Alpes-de-Haute-Provence, France

Data source: Traveller


Only 4 hours
But sharp, very technical skill processing, but I found new techniques for an happy and satisfying result !

Update 11/03/2021: less saturated and fine tuning
Update 15/03/2021: less HDR, the core was too much desaturated


Sky plot

Sky plot


M42 in LRGB high definition, 


            Vincent F

In these public groups

Imaged with APT