Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 Ori A)  ·  41 Ori C  ·  41 Ori D  ·  41 the01 Ori  ·  43 Ori)  ·  43 the02 Ori  ·  Great Orion Nebula  ·  HD36982  ·  HD37022  ·  HD37042  ·  HD37062  ·  LBN 974  ·  M 42  ·  NGC 1976  ·  Orion Nebula  ·  Sh2-281  ·  The star Mizan Batil II (θ2 Ori  ·  The star Trapezium (θ1 Ori A  ·  The star θ1 Ori C  ·  The star θ1 Ori D
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M 42 Closeup, Wolfgang Promper
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M 42 Closeup

Getting plate-solving status, please wait...
M 42 Closeup, Wolfgang Promper
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M 42 Closeup

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Description

I had that  RGB stack of short exposures 20x30 sec. each filter for a while now and didn´t really know what to do with it.
The fwhm on the combinded image is 0.75" so it was a real magic night.
I croped the field and rotated it by 45 degrees to have the hydrogen bar horizontal.
still not sure if I have done the raw data justice, but even the small field has a dreadful dynamic range and was quite difficult to process.
Wolfgang

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M 42 Closeup, Wolfgang Promper

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Made in Tivoli/Namibia