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Contains:  IC 435, NGC 2024, NGC 2023, Horsehead nebula, IC 434, IC 432, IC 431, NGC 1990, M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1981, NGC 1973, The star Alnitak (ζOri), The star σOri, The star Alnilam (εOri), The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori, Part of the constellation Orion (Ori)
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M42 and Horse Head Nebula, 


M42 and Horse Head Nebula

M42 and Horse Head Nebula

Technical card

Resolution: 9448x5991

Dates:Sept. 27, 2014

Frames: 20x300"

Integration: 1.7 hours

Avg. Moon age: 3.05 days

Avg. Moon phase: 10.13% job: 598509

RA center: 5h 37' 12"

DEC center: -3° 40' 4"

Pixel scale: 1.973 arcsec/pixel

Orientation: 91.991 degrees

Field radius: 3.065

Locations: Tataka, chai-yi, Taiwan

Data source: Backyard


This is a 4-frame mosaic. Each frame contains 4 5-minute exposures at ISO 1600. Total exposure time is 1 hr 20 min for the 4 frames together.



License: None (All rights reserved)

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M42 and Horse Head Nebula,