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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 - Orion Nebula, 





    
        

            Pestmeester
M42 - Orion Nebula

M42 - Orion Nebula

Technical card

Resolution: 3000x2007

Dates:Nov. 18, 2018

Frames:
Astronomik UHC 2": 50x15" ISO400
Astronomik UHC 2": 50x5" ISO400
Astronomik UHC 2": 16x180" ISO800

Integration: 1.1 hours

Darks: ~20

Flats: ~20

Bias: ~20

Avg. Moon age: 10.00 days

Avg. Moon phase: 76.42%

Astrometry.net job: 2377141

RA center: 83.802 degrees

DEC center: -5.391 degrees

Pixel scale: 2.248 arcsec/pixel

Orientation: 112.229 degrees

Field radius: 1.127 degrees

Locations: Backyard, Culemborg, Netherlands

Data source: Backyard

Description

My first composite M42:

Trapezium
50x 5s 400ISO

Core 12,5 min
50x 15s 400ISO

Nebula
16/50x 180s 800ISO (battery died during session; only 16 long exposure frames taken instead of the 50 I'd planned)

Calibration frames
20x flats 400ISO
20x flats 800ISO

20x bias 400ISO
20x bias 800ISO

20x darks 400ISO 5s T
20x darks 400ISO 15s C
20x darks 800 ISO 180s N

Comments

Author

Pestmeester
Pestmeester
License: None (All rights reserved)
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M42 - Orion Nebula, 





    
        

            Pestmeester