Museum & Gallery

Solar Observing for Solstice

We’re pulling out our solar telescopes to celebrate the start of Fall! Join us as we observe our closest star and the changing of the seasons. Please note: solar observing will be canceled in case of heavy clouds, rain, or dangerous temperatures. These decisions are made approximately 24 hours in advance. Solar safety Our telescope equipment utilizes safe Sun viewing methods; filtering the sunlight and projecting the sunlight. Solar filters include white light filters that block 99.999 percent of incoming sunlight, safely allowing us to see any sunspots that might be visible. H-alpha SolarMax II telescope filters out all the colors of sunlight except a specific red light (656nm) to allow us…

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Source: bellmuseum.umn.edu ↗ · checked Jul 27, 2026