Quote:
Originally Posted by xelasnave
500 mm FL is rather pushing it I would think...I would try it shorter, higher iso, my Nikon D5500 does well at 1600 , shorter exposures but as many as you can...I often go for 30 seconds iso 1600 around 125mm and that seems a sweet spot...and even if polar is off you probably get clear shots but as the frames are moving you are in effect dithering which together with many short exposures I find helps reduce noise greatly.
And you can stack only a couple to have a core shot to merge in..
Mainly keep doing it, each time better focus slightly different approach...and with lots of shirt exposures you can drop a lot of bad ones...stacking with quality brings quality.
Alex
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I will see what i can do when next i can.
Thank you