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



    
        

            Yasushi Fukunaga
M42
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M42

Technical card


Resolution: 2400x2397

Dates:Nov. 1, 2019

Frames: 52x300"

Integration: 4.3 hours

Darks: 0

Flats: 0

Flat darks: 0

Bias: 0

Avg. Moon age: 4.62 days

Avg. Moon phase: 22.26%

Bortle Dark-Sky Scale: None

Mean SQM: None

Mean FWHM: None

Temperature: None


Basic astrometry details

Astrometry.net job: 3031868

RA center: 5h 35' 15"

DEC center: -5° 19' 19"

Pixel scale: 2.438 arcsec/pixel

Orientation: 0.819 degrees

Field radius: 1.149 degrees


Locations: Shirabiso, Iida, Nagano, Japan

Data source: Traveller

Description

First light of FLI KL4040. The CMOS camera is so high speed and the exposure should have been 2 min instead of 5 min that caused the saturation against the core of bright stars and the nebula.
Also realize the black horizontal belt probably because of the nebula saturation. I need more test to gain confidence.

Comments

Author

yanamodake
Yasushi Fukunaga
License: None (All rights reserved)
1021
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M42, 



    
        

            Yasushi Fukunaga