Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  50 zet Ori  ·  Alnitak  ·  B33  ·  Horsehead nebula  ·  IC 434  ·  NGC 2023  ·  NGC 2024  ·  Sh2-277  ·  The star Alnitak (ζOri)
Horsehead Nebula Region [Ha], 



    
        

            Dean Carr
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Horsehead Nebula Region [Ha]

Horsehead Nebula Region [Ha], 



    
        

            Dean Carr
Powered byPixInsight

Horsehead Nebula Region [Ha]

Acquisition details

RA center: 05h41m10s.28

DEC center: -02°0846.3

Pixel scale: 1.009 arcsec/pixel

Orientation: -88.834 degrees

Field radius: 0.700 degrees

More info:Open 

Resolution: 3991x3005

File size: 1.7 MB

Data source: Traveller

Description

This particular image is a Ha-only version of a colour image already posted.

The picture includes two of the most photographed nebulas in the sky, including the Horse Head Nebula (IC434) and the Flame Nebula (NGC2024). Also within the frame is NGC2023 and the star Alnitak. Alnitak is very bright and is one of the three stars that form the ‘belt’ in the constellation of Orion.

Acquisition: 2hrs = 10x720s.

The image was fully processed in PixInsight The finalized picture was re-sampled by 120% for aesthetic reasons..

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Sky plot

Sky plot

Histogram

Horsehead Nebula Region [Ha], 



    
        

            Dean Carr