Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  NGC 6514  ·  Trifid nebula
M20 Trifid Nebula, 1074j
M20 Trifid Nebula
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M20 Trifid Nebula

Equipment

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Acquisition details

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Description

My favorite object in the sky. I've imaged this at shorter and longer focal lengths under suburban skies before. This image is from a dark site and the first from my C-8 which I normally use as my visual scope and it turns out to be a good imaging scope too, with the addition of the Optec focal reducer/corrector. I wanted to try and bring out the darker dust clouds and the outer blue shell and was able to do this due to the dark site. Because of all the bright stars and high dynamic range, my lum exposures were shorter than usual for my dark sky site where I can go much longer. L 15x350s, RGB 5x350s. I have Ha subs too, but didn't need to use them.

Version D pushes the data a little more to bring out the faint reflection nebula since that is what I was going for and increases the saturation to make the colors stand out better.

Comments

Revisions

  • M20 Trifid Nebula, 1074j
    Original
  • M20 Trifid Nebula, 1074j
    B
  • M20 Trifid Nebula, 1074j
    C
  • Final
    M20 Trifid Nebula, 1074j
    D

Sky plot

Sky plot

Histogram

M20 Trifid Nebula, 1074j