Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  31 Ori  ·  34 del Ori  ·  41 the01 Ori  ·  42 c Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  45 Ori  ·  46 eps Ori  ·  48 sig Ori  ·  50 zet Ori  ·  Alnilam  ·  Alnitak  ·  B33  ·  De Mairan's nebula  ·  Great Nebula in Orion  ·  Hatysa  ·  Horsehead nebula  ·  IC 423  ·  IC 426  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  M 42  ·  M 43  ·  Mintaka  ·  NGC 1924  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  And 29 more.
Orion's Belt and Sword, Michael Feigenbaum
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Orion's Belt and Sword

Orion's Belt and Sword, Michael Feigenbaum
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Orion's Belt and Sword

Equipment

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Acquisition details

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Description

Out in the middle of nowhere to try doing something remote and see how actually setting up and doing something would work...

First time trying this and of course, there were problems. I had intended to do a narrowband image of this area in Ha and Oiii but I could not reach focus with my filter wheel attached.

So I decided to not waste the clear sky and see what would happen in straight luminence.

I think there is a lot of bloat because of the blue channel but still, I think it's pretty cool.

I will try to figure out how to use my filter wheel with either this 135mm lens or my 180 for some wide-field fun.

Update... I completely re-shot this project over the past several days. The original was so poor that I had to do it over, lol...

What I learned among a lot of other things, is that the Nikkor 180mm ED lens is really well suited to astrophotography. I've been able to get tight stars, it's reasonably fast and I discovered that the vignetting disappears if stopped down from f2.8 to f4. Thanks to a Jerry Lodriguss article about the lens...

Even getting rid of the residual CA was fairly easy which will be apparent when I publish the color version of this project.

I will make good use of this lens going forward.

Comments

Revisions

  • Orion's Belt and Sword, Michael Feigenbaum
    Original
  • Orion's Belt and Sword, Michael Feigenbaum
    B
  • Orion's Belt and Sword, Michael Feigenbaum
    C
  • Final
    Orion's Belt and Sword, Michael Feigenbaum
    D

B

Description: Sharpened it a tad and stretched it a little... I think it's right on the edge of getting crispy... this is a final unless I replace it with a proper narrowband image.

Uploaded: ...

C

Description: I had to re-work this image... The original was just not very good... I think this is a little better. I am working on an HDR color version of this and then I can put Orion to bed for the season. Perhaps this area of the sky is a little overworked and maybe gets tiresome to see so many examples of of M42 and the Horse/Flame but it is a favorite of mine and I would like to get to the point to where I could begin to do it justice...

Uploaded: ...

D

Description: I added 80 frames of 15s and re-processed this as an HDR image.... that's it for this one. What a great learning experience this project was.

Uploaded: ...

Sky plot

Sky plot

Histogram

Orion's Belt and Sword, Michael Feigenbaum