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Contains:  Horsehead nebula, IC 431, IC 432, IC 434, IC 435, NGC 2023, NGC 2024, The star Alnitak (ζOri), The star σOri
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Horse Head Nebula Region, 


            Jim Coughlan
Horse Head Nebula Region
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Horse Head Nebula Region

Technical card

Basic astrometry details job: 1863645

RA center: 5h 40' 25"

DEC center: -1° 56' 20"

Pixel scale: 2.332 arcsec/pixel

Orientation: 89.955 degrees

Field radius: 1.534 degrees

Resolution: 3599x3081

Locations: Home Observatory, Near Louth, England, United Kingdom

Data source: Backyard


7 hours and 20 minutes of Data through a Baader Ha 7nm filter taken over a few nights during Nov and Dec 2017.

I had to be careful not to allow Alnitak to bloat and over power the small companion star. I suspect if I were to devote more time to this image there is a lot more nebulosity sitting much deeper in the image.

Thank you for looking. Jim



Jim Coughlan
License: None (All rights reserved)

Sky plot

Sky plot


Horse Head Nebula Region, 


            Jim Coughlan

In these public groups

The refractors!