Dave,
Spectacular image of my favourite Glob
Core is well controlled and resolved towards the very centre.
I reckon you could have got away with 20 sec subs at Gain 0 with that focal ratio. May have helped with a tad bit of saturation and star colour.
Unfortunately I have a limited window for imaging 47 Tuc as my second story roof and TV antenna obstruct its traverse ( I bearly get an hour )
Well done !!
Martin
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