Well I thought I had seen it all, but the temp in my "observatory" got to 55deg C, and that was with the roof "cocked" to allow the heat to dissipate. We have just had our hottest Dec day since 1939, I think it was 43degC ambient a couple of towns managed 48degC, it looks as though we are in for a very hot summer. Needless to say I removed the scope and all EP's to a cooler part of my home. I have to do something about this heat in regard to insulation.