Hemisphere:  Southern  ·  Contains:  41 the01 Ori  ·  42 c Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  45 Ori  ·  De Mairan's nebula  ·  Great Nebula in Orion  ·  Hatysa  ·  M 42  ·  M 43  ·  M43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  NGC1973  ·  NGC1975  ·  NGC1977  ·  NGC1980  ·  NGC1981  ·  Sh2-279  ·  Sh2-281  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri  ·  And 1 more.
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M42 : Great Orion Nebula (LRGB-Ha with 2 optics), 



    
        

            Jean-Baptiste Auroux
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M42 : Great Orion Nebula (LRGB-Ha with 2 optics)

Imaging telescopes or lenses: Takahashi TSA 102  ·  Astro Professional 66/400 ED

Imaging cameras: Atik ONE 6.0

Mounts: Skywatcher AZ EQ6 GT

Guiding telescopes or lenses: Takahashi TSA 102  ·  Astro Professional 66/400 ED

Guiding cameras: Atik GP

Focal reducers: Takahashi TOA-RD  ·  Astro Professional Correcteur de champ

Software: Pleiades Astrophoto PixInsight 1.8 Ripley  ·  Photoshop  ·  PHD Guiding 2

Filters: Astronomik Ha 6nm  ·  Astronomik LRGB 1,25"

Accessory: Atik OAG


Dates:Feb. 25, 2019Feb. 27, 2019Feb. 28, 2019

Frames:
Astronomik Ha 6nm: 36x300" -15C bin 1x1
Astronomik B 1.25": 60x1" -15C bin 1x1
Astronomik B 1.25": 10x5" -15C bin 1x1
Astronomik B 1.25": 12x300" -15C bin 2x2
Astronomik G 1.25": 60x1" -15C bin 1x1
Astronomik G 1.25": 10x5" -15C bin 1x1
Astronomik G 1.25": 12x300" -15C bin 2x2
Astronomik L 1.25": 120x1" -15C bin 1x1
Astronomik L 1.25": 22x30" -15C bin 1x1
Astronomik L 1.25": 51x300" -15C bin 1x1
Astronomik L 1.25": 10x5" -15C bin 1x1
Astronomik L 1.25": 16x600" -15C bin 1x1
Astronomik R 1.25": 60x1" -15C bin 1x1
Astronomik R 1.25": 10x5" -15C bin 1x1
Astronomik R 1.25": 12x300" -15C bin 2x2

Integration: 13.2 hours

Darks: ~64

Flats: ~16

Bias: ~101

Avg. Moon age: 22.76 days

Avg. Moon phase: 43.68%

Bortle Dark-Sky Scale: 3.00


Astrometry.net job: 2779307

RA center: 5h 35' 32"

DEC center: -5° 15' 32"

Pixel scale: 2.922 arcsec/pixel

Orientation: -24.114 degrees

Field radius: 1.424 degrees


Resolution: 2189x2745

Locations: Fouras, Fouras, Charente-Maritime, France

Data source: Backyard

Description

Image réalisée en combinant les images obtenues avec une AtikOne6 et une lunette 66/400 avec réducteur (320mm de focale) et une TSA102 (f/6) pour gagner en détails dans la nébuleuse.

Image LRGB + Ha
L : combinaison d'images de 600s, 300s, 30s, 5s, 1s.
RGB : combinaison d'images de 300, 5s, 1s.
Ha : 300s

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Image made by combination of 2 images made with a 66/400 refractor (focal : 320mm with reducer) and a TSA-102 (f/6) to improve details in core of the nebula.

Image: LRGB + Ha
L : images combination of 600s, 300s, 30s, 5s, 1s.
RGB : images combination of 300, 5s, 1s.
Ha : 300s

Comments

Author

Jean-Baptiste_Paris
Jean-Baptiste Auroux
License: None (All rights reserved)
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Revisions

    M42 : Great Orion Nebula (LRGB-Ha with 2 optics), 



    
        

            Jean-Baptiste Auroux
    Original
  • Final
    M42 : Great Orion Nebula (LRGB-Ha with 2 optics), 



    
        

            Jean-Baptiste Auroux
    B

B

Description: Slight improvement of big star halos, and slight correction of contrast.

Sky plot

Sky plot

Histogram

M42 : Great Orion Nebula (LRGB-Ha with 2 optics), 



    
        

            Jean-Baptiste Auroux