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Hi Paul
I’d always choose the self guiding option over Track & Accumulate, and run some test exposures to establish the blooming threshold, and then select an exposure just shy of that.
T&A is very nice, but you will get gradual drift and sometimes I encountered streaks when applying Darks to T&A images.
Once you’ve had a go at self-guiding, it becomes quite easy, especially as you have the TC237 chip. I only have the meagre TC211.
Cheers
Dennis
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