Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5457
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M101 - RGB added, bobzeq25
M101 - RGB added
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M101 - RGB added

Getting plate-solving status, please wait...
M101 - RGB added, bobzeq25
M101 - RGB added
Powered byPixInsight

M101 - RGB added

Equipment

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Acquisition details

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Description

Still needs a lot of work, using separate workflows for L and RGB, this was simple methods. My first LRGB.

Astrobin is a bit hard to use for LRGB. L was 61X90", R 19X120", G 16X90", B 19X90". 30 flats and 100 bias for each, no darks.

Version B. A bit of modest noise reduction to the final image. What I need to do is control noise better through the process, and do L and RGB separately.

Version C. Better noise reduction. Color, as always, is hard. I thought the others weren't blue enough, may have overcompensated.

Comments

Revisions

  • M101 - RGB added, bobzeq25
    Original
  • M101 - RGB added, bobzeq25
    B
  • Final
    M101 - RGB added, bobzeq25
    C

Sky plot

Sky plot

Histogram

M101 - RGB added, bobzeq25