Hemisphere:  Southern  ·  Contains:  Great Nebula in Orion  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
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M42 - HaRGB, 



    
        

            Janco
M42 - HaRGB
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M42 - HaRGB

Imaging telescopes or lenses: Skywatcher Esprit 100ED APO Triplet

Imaging cameras: ZWO 1600MM-COOL

Mounts: Sky Watcher NEQ6 pro

Guiding telescopes or lenses: Skywatcher Esprit 100ED APO Triplet

Guiding cameras: ZWO ASI 120 MC-s

Software: Photoshop CC Photoshop  ·  Astrophotography Tool  ·  DeepSkyStacker 4.1.1 64bit Deepskystacker

Filters: ZWO LRGB 31mm set  ·  ZWO H-alpha 7nm

Accessory: ZWO EFW 36 mm Filter Wheel


Dates:Dec. 17, 2019

Frames:
ZWO H-alpha 7nm: 25x300" (gain: 139.00) -15C bin 1x1
ZWO LRGB 31mm set: 102x120" (gain: 139.00) bin 1x1
ZWO LRGB 31mm set: 60x5" (gain: 139.00) -15C bin 1x1

Integration: 5.6 hours

Darks: ~30

Flats: ~30

Flat darks: ~30

Avg. Moon age: 20.31 days

Avg. Moon phase: 69.06%

Bortle Dark-Sky Scale: 5.33


Astrometry.net job: 3125704

RA center: 5h 35' 4"

DEC center: -5° 15' 10"

Pixel scale: 1.413 arcsec/pixel

Orientation: 90.939 degrees

Field radius: 1.082 degrees


Resolution: 4433x3280

Locations: Home, Centurion, Gauteng, South Africa

Data source: Backyard

Description

First light with my brand new Esprit 100.

Comments

Author

Janco88
Janco
License: None (All rights reserved)
9076
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Revisions

  • Final
    M42 - HaRGB, 



    
        

            Janco
    Original
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    I
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    R
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    S
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    U

M

Description: Tried to fix some of the microlensing and halos. Adjusted colour balance also a bit

N

Description: Tweaked purple color by selectively stretching green channel. Also reduced saturation

S

Description: Tried a different color balance. Unfortunately those blue halos are horrible. Not sure what can be done about them except getting bettee filters I guess. Please let me know which revision you like best

Sky plot

Sky plot

Histogram

M42 - HaRGB, 



    
        

            Janco