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
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M101, acolijn
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M101

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M101, acolijn
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M101

Equipment

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Acquisition details

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Description

First light with EgdeHD 8". Cloudless night after the day I purchased it

Only thing that was harder (as expected) was the guiding. Once the small ZWO OAG + 120MM mini found a star guiding was around 0.6", but after the meridian flip (when I was asleep) no more stars.

Comments

Revisions

  • M101, acolijn
    Original
  • M101, acolijn
    I
  • M101, acolijn
    L
  • M101, acolijn
    M
  • Final
    M101, acolijn
    N

N

Description: I now did BlurXTerminator followed by GHS2 and finally the noise NoiseXTerminator on the stretched and deblurred image. On the previous version I did the noise reduction on the linear image prior to deblurring. That resulted in funky artefacts (see previous version).

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Sky plot

Sky plot

Histogram

M101, acolijn