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First post in a while due to silly amount of work this spring (frequently coinciding with the rare clear nights) and re-jigging my scopes/obs into a dual system The last two evenings have been clear so despite the half moon i decided to image a familiar target - M51 Whirlpool Galaxy. I have had many scores of subs sorting alignment and flexure issues but i think i am finally getting there now.

This is LRGB only as SGP made a total mess of the focus in my Ha channel and i haven't worked that one out yet. Due to the half hour of astro darkness and even with 3' and 5' subs the flats had a lot of work to do; if you look closely you will see they were only just adequate for the job. 

Enough preamble; thanks for looking

 

M51.jpg

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A very fine image indeed.

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Thank you for the comments. I will keep trying to improve. 

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