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Contains:  Flame Nebula, Great Orion Nebula, IC 420, IC 431, IC 432, IC 434, IC 435, Lower Sword, M 42, M 43, Mairan's Nebula, NGC 1973, NGC 1975, NGC 1976, NGC 1977, NGC 1980, NGC 1981, NGC 1982, NGC 2023, NGC 2024, Orion B, Orion Nebula, Part of the constellation Orion (Ori), The star 42Ori, The star 45Ori, The star Alnilam (εOri), The star Alnitak (ζOri), The star θ1Ori, The star θ2Ori, The star ιOri, The star σOri, Upper Sword, the Running Man Nebula
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M42 and Horse Head Nebula, 



    
        

            wei-hann-Lee
M42 and Horse Head Nebula
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M42 and Horse Head Nebula

Technical card

Imaging telescopes or lenses: Takahashi FSQ 85 ED

Imaging cameras: Canon 60D Astronomiser modified

Mounts: SkyWatcher NEQ6 PRO

Guiding telescopes or lenses: 60300

Guiding cameras: QHY-5 mono

Software: Adobe Paint Shop cs6  ·  Deep Sky Stacker 3.3.4  ·  PHD Guiding PHD 1.14.0  ·  Astro Photography Tool 2.80


Dates:Sept. 27, 2014

Frames: 20x300"

Integration: 1.7 hours

Avg. Moon age: 3.05 days

Avg. Moon phase: 10.13%


Basic astrometry details

Astrometry.net job: 3542125

RA center: 5h 37' 27"

DEC center: -3° 40' 55"

Pixel scale: 6.135 arcsec/pixel

Orientation: 87.997 degrees

Field radius: 3.035 degrees


Resolution: 3000x1920

Locations: Tataka, chai-yi, Taiwan

Data source: Backyard

Description

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.

Comments

Author

wei-hann-Lee
wei-hann-Lee
License: None (All rights reserved)
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Revisions

  • M42 and Horse Head Nebula, 



    
        

            wei-hann-Lee
    Original
  • Final
    M42 and Horse Head Nebula, 



    
        

            wei-hann-Lee
    B

Sky plot

Sky plot

Histogram

M42 and Horse Head Nebula, 



    
        

            wei-hann-Lee