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


            Mario Gromke
M42 HaRGB test

M42 HaRGB test

Technical card

Imaging telescope or lens:Takahashi FSQ 106 ED

Imaging cameras:Sony A7 IIIQSI 683 ws-5

Mount:10micron GM 1000 HPS

Guiding telescope or lens:Unguided

Focal reducer:Takahashi Reducer QE .73x

Software:Cyanogen Maxim DL 6 Pro

Filter:Astrodon 5nm H-alpha 31mm

Accessory:ICS Focus Wizard

Resolution: 2504x1684

Dates:Oct. 31, 2019Nov. 23, 2019

50x30" ISO3200
1x600" -20C

Integration: 0.6 hours

Darks: ~35

Flats: ~25

Bias: ~200

Avg. Moon age: 14.86 days

Avg. Moon phase: 13.42% job: 3090768

RA center: 5h 35' 19"

DEC center: -5° 18' 39"

Pixel scale: 2.849 arcsec/pixel

Orientation: 48.087 degrees

Field radius: 1.194

Locations: VSMT (Very Small Markkleeberg Telescope) :-), Markkleeberg, Sachsen, Germany

Data source: Backyard


My first try HaRGB Combination with two different cameras and focal lengths!
Maybe a little bit to much red inside and to less exposuretime, but the clouds.... :-(!



Mario Gromke
License: None (All rights reserved)

Sky plot

Sky plot


M42 HaRGB test, 


            Mario Gromke