Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 Ori A)  ·  41 Ori C  ·  41 Ori D  ·  41 the01 Ori  ·  43 Ori)  ·  43 the02 Ori  ·  44 Ori)  ·  44 iot Ori  ·  Great Orion Nebula  ·  HD36655  ·  HD36742  ·  HD36782  ·  HD36866  ·  HD36884  ·  HD36899  ·  HD36917  ·  HD36939  ·  HD36981  ·  HD36982  ·  HD36983  ·  HD36999  ·  HD37000  ·  HD37042  ·  HD37060  ·  HD37061  ·  HD37062  ·  HD37114  ·  HD37115  ·  HD37150  ·  HD37174  ·  And 21 more.
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M42 Orion Nebula, psparkman
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M42 Orion Nebula

Getting plate-solving status, please wait...
M42 Orion Nebula, psparkman
Powered byPixInsight

M42 Orion Nebula

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Description

Knowing that I only had one clear night this week, with average seeing and poor transparency in my Bortle 6 location, I wanted a bright target to image.  After seeing @Wolfgang Promper amazing M42 core close up, I decided that was a good target for the evening.  I used short 90 second SHO narrowband exposures, and 1 sec RGB exposures for the stars.  About 5 hours of total integration time.  

I wanted a a somewhat natural look to the image, so I did an HOO combination and then ran NB SPCC to get the natural look.  Then I added the SII to the red and green channels and increased the OIII using a PixelMath expression.  Then several rounds of HDRMT, and I achieved what I set out to image.

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M42 Orion Nebula, psparkman