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Hemisphere:  Southern  ·  Contains:  50 zet Ori, Alnitak, B33, Horsehead nebula, IC 434, IC 435, IC434, IC435, NGC 2023, NGC2023, Sh2-277, The star Alnitak (ζOri)
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Horsehead Nebula in Ha, 



    
        

            Joel Shepherd
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Horsehead Nebula in Ha

Imaging telescopes or lenses: Celestron Omni XLT150 Reflector

Imaging cameras: Atik 460EX Mono

Mounts: Advanced VX

Guiding telescopes or lenses: Orion Deluxe Mini 50mm Guide Scope with Helical Focuser

Guiding cameras: Orion StarShoot AutoGuider Pro Mono

Software: Adobe Photoship CC 2015  ·  PixInsight 1.8  ·  Craig Stark Nebulosity 3

Filters: Orion H‑Alpha 7nm 1.25"


Dates:Nov. 29, 2015

Frames: 7x300"

Integration: 0.6 hours

Avg. Moon age: 18.54 days

Avg. Moon phase: 84.73%


Astrometry.net job: 874660

RA center: 5h 41' 8"

DEC center: -2° 24' 38"

Pixel scale: 2.080 arcsec/pixel

Orientation: -58.782 degrees

Field radius: 0.590 degrees


Resolution: 1600x1274

Locations: Home, Seattle, WA, United States

Description

Taken in less than ideal circumstances: fog rolling in (hence the small number of lights), off-balance telescope and unhappy guiding software. Nonetheless, there it is. Looking forward to a clear, unhurried night to give this subject its proper due.

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Author

JoelShepherd
Joel Shepherd
License: Attribution Creative Commons
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Horsehead Nebula in Ha, 



    
        

            Joel Shepherd