Celestial hemisphere:  Northern  ·  Constellation: Camelopardalis (Cam)  ·  Contains:  NGC 2403  ·  NGC 2404  ·  PGC 2675589  ·  PGC 2675716  ·  PGC 2675793  ·  PGC 2675855  ·  PGC 2676076
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NGC 2403 Galaxy, Michael Timm
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NGC 2403 Galaxy

Getting plate-solving status, please wait...
NGC 2403 Galaxy, Michael Timm
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NGC 2403 Galaxy

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Description

I have really a strong issue with noise. This is NGC 2403, a wonderful galaxy in the M 81-group. The image was taken under a nearly 80 % moon and therefor lacks details. But the annoying noise is lousy, i dont know how to get rid of it. Tonight i will try imaging with the native focal length, maybe the reducer has something to with it (but i doubt it).

[Edit]: Image 'B' shows the noise blob by using the ExtractWaveletLayer-scipt in PI.

Due to high clouds i could not image last night, so i could not check if the CCDT67 is the problem.

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    NGC 2403 Galaxy, Michael Timm
    Original
  • NGC 2403 Galaxy, Michael Timm
    B

B

Description: The annoying 'noise blob' in the center. Can be better viewed in my previous image of M81.

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NGC 2403 Galaxy, Michael Timm