The toucam works ok but I am constently having to move the guide scope to find a bright enough guide star...I dont have this problem at dark sites only in Brisbane.
But with the Sbig there will no more moving the guide scope...it's amazingly sensative....what I can see in just 1 second is equlivent to what I could see in 15 seconds on the LPI...but the Sbig is very expensive and probably over doing it.
I'm doing a 12 minute autoguiding test image as we speak....yes it will be overexposed but i'm testing guiding errors over a longer exposure.
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