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Not finished with it yet. Part of what I like (love) with Astronomy is the DIY aspect. Wiring to the peltier and fan is all secured now and everything is re-aligned so back to testing when the clouds and schedule cooperate.
I wouldn't bother with the fins you saw online. They might stabilise the sensor temp a wee bit but to get any real noise reduction you need to get at least 5* of temp delta. Apparently noise reduces by 50% for every 5* cooler. So 20* or 30* is where it is getting useful.
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