Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  NGC 2023  ·  NGC 2024  ·  The star Alnitak (ζOri)  ·  The star σOri
Horsehead Nebula - Widefield Ha, Steve Milne
Horsehead Nebula - Widefield Ha
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Horsehead Nebula - Widefield Ha

Horsehead Nebula - Widefield Ha, Steve Milne
Horsehead Nebula - Widefield Ha
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Horsehead Nebula - Widefield Ha

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Description

This is some Ha that I shot back in January 2017. I always hoped I would get the LRGB to go with this, but I have not yet got round to it. I thought I'd process the mono image and post it up for now, so that I don't forget about it.

This is from my home observatory in the UK, using a Williams Optics Star 71 and a Moravian G2-8300 CCD with Chroma 3nm filters.

Ha: 23 x 1200s

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Horsehead Nebula - Widefield Ha, Steve Milne

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UK Astro-Imaging
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