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
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The horsehead nebula - using the duo bi-colour filter, Simon
The horsehead nebula - using the duo bi-colour filter
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The horsehead nebula - using the duo bi-colour filter

Getting plate-solving status, please wait...
The horsehead nebula - using the duo bi-colour filter, Simon
The horsehead nebula - using the duo bi-colour filter
Powered byPixInsight

The horsehead nebula - using the duo bi-colour filter

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Description

I took 35 images of this at 8 minutes long each. The integration time was thus 6 hours and 40 minutes, and I processed it to within an inch of its life!

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Sky plot

Sky plot

Histogram

The horsehead nebula - using the duo bi-colour filter, Simon