Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457
M101, Chris Sullivan
M101
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M101

M101, Chris Sullivan
M101
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M101

Equipment

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Acquisition details

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Description

This was an abandoned project - the data was very flawed and I gave up trying to make it work. However, I've been without my mount for nearly a month, so I decided to come back to it and see if anything was worth salvaging. The jury is still out.

Comments

Revisions

    M101, Chris Sullivan
    Original
    M101, Chris Sullivan
    B
    M101, Chris Sullivan
    C
    M101, Chris Sullivan
    D
    M101, Chris Sullivan
    E
    M101, Chris Sullivan
    F
  • Final
    M101, Chris Sullivan
    G

B

Description: I was able to mix the hydrogen alpha in better, sharpen it slightly better and get the color balance better. It's a tad noisier, but I can live with that.

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D

Description: I did a little more noise reduction and gave the stars some more color.

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E

Description: Additional sharpening.

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F

Description: Decreased hue saturation.

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G

Description: Reduced star sizes. Okay, I think this my last revision!

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Sky plot

Sky plot

Histogram

M101, Chris Sullivan