Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  Pinwheel galaxy
M101, Hans Widmer
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M101

M101, Hans Widmer
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M101

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Revisions

  • M101, Hans Widmer
    Original
  • Final
    M101, Hans Widmer
    B

B

Description: Now I used the right darks and bias with gain 50 and offset 13 which belongs to my UHC-S filter galaxies exposure setting.

The strange stripe pattern has now vanished from the picture.

For the new development I used in addition the script dark structure enhancement in a moderate way.

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M101, Hans Widmer