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 Pinwheel Galaxy with 8 Edge HD, Robin Livermore
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M101 Pinwheel Galaxy with 8 Edge HD

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M101 Pinwheel Galaxy with 8 Edge HD, Robin Livermore
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M101 Pinwheel Galaxy with 8 Edge HD

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Description

I had a quick go at this with the RASA 11 earlier in the year, and thought I'd try it with the better suited focal length of the 8 Edge HD. Wales was unusually blessed with 6 successive clear nights, which gave me the incentive and opportunity to shoot a reasonable amount of data over three nights.

My narrowband data for this was quite limited, and even at 900s the exposures were a bit short. So the resultant noisy image had to be used rather selectively to enhance the broadband data. I find processing these galaxies tricky...  I guess it doesn't help that they're a long way away!

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  • M101 Pinwheel Galaxy with 8 Edge HD, Robin Livermore
    Original
  • Final
    M101 Pinwheel Galaxy with 8 Edge HD, Robin Livermore
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B

Description: slight enhancement to dark structures and colour saturation

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M101 Pinwheel Galaxy with 8 Edge HD, Robin Livermore