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
Horse head Nebula., Tim Morrill
Horse head Nebula.
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Horse head Nebula.

Horse head Nebula., Tim Morrill
Horse head Nebula.
Powered byPixInsight

Horse head Nebula.

Equipment

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Acquisition details

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Description

This is HaLRGB composite of 2 hours worth of color data from Nikon d810a and 5 hour of Ha data from asi1600mm cool. Put them together by replacing the red channel in the color image with the Ha data. +50 Dark, 50 bias and 50 flat frames. Equipment used. William yang 71mm refractor, Nikon D810a, asi1600mm cool asi120mm William young 50mm guide scope for guiding. CELESTRON CGX mount.

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Sky plot

Sky plot

Histogram

Horse head Nebula., Tim Morrill