Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 the01 Ori  ·  42 c Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  45 Ori  ·  De Mairan's nebula  ·  Great Nebula in Orion  ·  Hatysa  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1982  ·  Sh2-279  ·  Sh2-281  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
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Orion Nebula and the Running Man Nebula, Kurt Zeppetello
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Orion Nebula and the Running Man Nebula

Getting plate-solving status, please wait...
Orion Nebula and the Running Man Nebula, Kurt Zeppetello
Powered byPixInsight

Orion Nebula and the Running Man Nebula

Equipment

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Acquisition details

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Description

This is my latest rendition of the Orion Nebula (M42), DeMairan's Nebula (M43), and the Running Man Nebula (NGC 1973, NGC 1975, NGC 1977). I was not planning on imaging Orion this year since I captured it last year, however, there three substantial changes in my equipment since last year.

1) I had my Canon Rebel T3i (600D) camera modified (Hap Griffin), 2) Astronomik UHC Clip filter, and 3) an Orion 0.8 Focal Reducer. Although my image last year was good, I was not able to get the Running Man in my image.

M42 and M43 are both diffuse nebulae located in the Orion constellation while the Running Man Nebula is a reflection nebula also in the Orion constellation. All of these objects are between 1300 and 1500 light-years away.

I collected data over five nights four of them were at the Happy Frog (home observatory) and one evening at Boothe Memorial Park while we were doing work on the Boothe Memorial Astronomical Society Observatory. On the first couple of nights I did not frame the shot as well as I could have so I collected data over three more nights in order to get the optimal framing for both Orion and Running Man. The processing was very difficult as I had to align the different exposures and then merge them.

For aligning the images I used a method described by Trevor Jones from AstroBackyard on his Youtube channel, Astrophotography Tutorial - Create a HaRGB Composite Image. For merging the the different exposures I used the method from my previous Orion image which was modified from Jerry Lodriguss.

The general procedure is:

1) to open two images to be merged, a short and long exposure.

2) select the short exposure and select all (Ctrl + A).

3) copy (Ctrl + C).

4) open the long exposure and paste (Ctrl + V).

5) select the mask button on the bottom of layers pallette.

6) (Alt + click) on the mask next to the layer 1 button.

7) click on the white mask exposure and paste (Ctrl + V).

8) open the Gaussian Filter under the filters pulled down menu.

9) use 30 pixels for the size.

10) open layer one to see the result.

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