Re: Mach2 with TEC180 for visual


IMHO if using a great quality portable pier or tripod for your AP GTO & scope, a better surface is very solid ground (grassy field) rather than a large concrete or cement foundation due to the heat buildup during the day. At night all that stored heat radiates upwards & should affect the views thru the scope. On a wide open grassy field the ground should cool down much faster.


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