Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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M51 - Whirlpool Galaxy, Adam Landefeld
M51 - Whirlpool Galaxy
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M51 - Whirlpool Galaxy

Equipment

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Acquisition details

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Description

This image is first light for a lot of new gear! I've upgraded to an Atlas Pro mount, QSI6120-wsg8 CCD, a QHY guide camera, and off-axis guiding. The results this camera is giving me compared to my DSLR is really stunning. The star colors feel off to me but I'm not sure if it's my scope, image capture (e.g. big FWHM difference between channels), or processing that is causing it.

Rev B: Improve detail in the core, increase galaxy/background contrast, MMT to clean up the background, and crop closer.

Rev C: Complete reprocess. Did linear noise reduction on 2x2 color before resampling to 1x1 which produced better results. In the end I think the background level and color turned out better, and noise is lower without sacrificing any important detail.

Comments

Revisions

  • M51 - Whirlpool Galaxy, Adam Landefeld
    Original
  • M51 - Whirlpool Galaxy, Adam Landefeld
    B
  • Final
    M51 - Whirlpool Galaxy, Adam Landefeld
    C

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Sky plot

Histogram

M51 - Whirlpool Galaxy, Adam Landefeld

In these collections

ES 102
Prints
QSI 6120