Celestial hemisphere:  Northern  ·  Constellation: Auriga (Aur)  ·  Contains:  M 37  ·  NGC 2099
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M37 LRGB, John Massey
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M37 LRGB

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M37 LRGB, John Massey
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M37 LRGB

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Description

Not my best work but that is because I didn't refocus after each filter change. Baader claims that their filters are parfocal but I do believe tweaking focus each change is necessary for optimum results. I also used the Skytools exposure calculator to determine the best exposure length for the sky conditions, thus the different exposure lengths for the different filters.

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Revisions

  • M37 LRGB, John Massey
    Original
  • Final
    M37 LRGB, John Massey
    B

B

Description: Improved red color cast and cropped the image.

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M37 LRGB, John Massey

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