Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's galaxy  ·  Bode's nebulae  ·  M 81  ·  NGC 3031  ·  PGC 2724146  ·  PGC 2726822  ·  PGC 2730379  ·  PGC 2730409  ·  PGC 28505  ·  PGC 28529  ·  PGC 28757
M 81 Bode's Galaxy, Michael Timm
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M 81 Bode's Galaxy

M 81 Bode's Galaxy, Michael Timm
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M 81 Bode's Galaxy

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Description

After a long and cloudy phase we have clear sky since yesterday, so i couldn't resist to go outside and image. The moon was about 70 %, but seeing was fair. I thought M 81 would be the perfect fit for this conditions. I think the image is okay for a bright moon, but the nasty noise is anoying for me. I have the feeling that i should start dithering when imaging with a lot images. Well, whatever, i was happy not to see clouds but many stars as i stood outside :-)

[Edit]: Image 'C' shows the 'noise blob' that ruined my last images. It will be interesting to hunt down the source.

Comments

Revisions

  • M 81 Bode's Galaxy, Michael Timm
    Original
  • M 81 Bode's Galaxy, Michael Timm
    B
  • M 81 Bode's Galaxy, Michael Timm
    C
  • Final
    M 81 Bode's Galaxy, Michael Timm
    D

B

Description: Fixed histo.

Uploaded: ...

C

Description: The annoying 'noise-blob' :-(

Uploaded: ...

D

Description: Reprocessed without bias and new refrigerator-darks.

Uploaded: ...

Sky plot

Sky plot

Histogram

M 81 Bode's Galaxy, Michael Timm