Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5169  ·  NGC 5173  ·  NGC 5194  ·  NGC 5195  ·  NGC 5198  ·  Whirlpool galaxy
M51 wide field, StarGale
M51 wide field
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M51 wide field

Equipment

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Acquisition details

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Description

My best M51 to date, taken with new AT8IN and unmodified Canon 60D. Unguided without PEC. Temperature was a steady 46deg F. There was a bad gradient, left some of it in the image so faint fuzzies would be visible.

Image B: Increased contrast slightly in the jpeg file to reduce the background noise which was very noticeable at full resolution though not so bad when image is reduced to fit the monitor. This also removed a tiny bit of nebulousness in M51 and the faint fuzzies,

Image C: Another very small increase contrast to remove remaining background noise.

Comments

Revisions

  • M51 wide field, StarGale
    Original
  • M51 wide field, StarGale
    B
  • Final
    M51 wide field, StarGale
    C

Sky plot

Sky plot

Histogram

M51 wide field, StarGale