Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 434  ·  IC 435  ·  NGC 2023  ·  NGC 2024  ·  The star Alnitak (ζOri)
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Horsehead Nebula, Wide Field, in Ha, glend
Horsehead Nebula, Wide Field, in Ha
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Horsehead Nebula, Wide Field, in Ha

Equipment

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Description

This early season Horsehead image is a combined image consisting of 12x180sec Ha lights, and 7x300s Ha lights all shot at Unity Giain with an ASI1600MM-C through a Bresser 152mm f5 Petzval Corrected Acrho. Field curvature is evident because I have not found a flattener for this scope yet. The quarter moon was only 20 degrees away from the front of the scope and even with an additional shield added it probabl has some effects here. Registered and stacked in DSS with appropriate Darks and Bias frames. Photoshop CC used to bring out the detail. I will return to this target in coming months and produce a NB colour image.

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Horsehead Nebula, Wide Field, in Ha, glend

In these public groups

ZWO ASI1600MM/QHY163M