The Whirlpool Galaxy Pier 8 was created by petershah
M51 an extreme crop from a larger frame. Imaged with Pier 8, The 17in Planewave unguided with the L500 mount and Moravian 16803 G4. LRGB all 300s subs, 3hrs Luminance 4hrs each in RGB.
Processed with Pixinsight and Photoshop
Thanks for looking
Here is the artefact which had to be dealt with
Peter Shah - Collimation & Telescope servicing.
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Replied by NoMoreCloudyNights on topic The Whirlpool Galaxy Pier 8
In the final image I'd have to say, what artefact? I know it would have been a pain, but it's a shame that coordinates weren't used to shift the galaxy a bit further away. The benefit of hindsight of course. That is way up there with most of the images I see with the exception of those captured using monster scopes and Hubble. Mind you for galaxies I'm not so keen on those captured by Hubble. An odd remark admittedly, but many are just too detailed to me and make them less easy to recognise.
Please keep them coming, they're all great encouragement and an asset to the site.