Bernd 07/21/2022 (Thu) 08:29:13 No.48337 del
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Right now I'm trying to warm a beer keg of water, that's 5 liters. Spraypainted the barrel black beforehand. The place I made the photos isn't where it stands. The Sun started to hit the top of it about 15 mins ago. Let's call 10:30 (CEST) as the start of the experiment, it will shine on the barrel full.