Where the observatories are located It is generally very dry. However there are times when moisture is present. We have automatic sensors that close the observatories when the weather is threatening. All systems have dew heaters fitted on exposed optics. The roof may shut when due levels are 90% or higher, depending on the local threshold.
Is Dew a problem? Print
Modified on: Wed, 24 Apr, 2019 at 4:45 AM
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