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I love the idea of water bottles and hand warmers, lateral and cost effecive solutions. I have pondered on how Nth Amercan Astronomers manage under feet of snow. Not only are their eye pieces at risk, the genuine threat of frost bite must be a real issue. Though even in Oz there are country locations that fall well below freezing for the entire night. What are the strategies for when the mercurary plummets? Astronomy is very passive, your not exactly generating buckets o heat through exertion how do you stay safe and warm?
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