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Dome
Hello Fred
Looking good! likely to late but as well as the tape over the joints I would look at one of the " non setting mastics " to seal between the sheets.
They are better than silicone as they skin where exposed to the air but other wise stay " wet " from memory they are about the same price as silicones. I brought a box from a local caravan repairer and they were cheaper than bunnings silicone.
And without meaning to rain on you, do you plan on being in the dome with your scope or will it be a remote setup?? I realised you said 1.5m in diameter when my brain was thinking 1.5m radius!🤦*♂️
Ed
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