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Dual channel dew controller

Monday, July 28, 2025 by Russ Scritchfield

Controlling dew buildup on optics has always been a persistent challenge in astronomy, particularly for those who observe under varying humidity and temperature conditions. For users of R-Sky Astro Instruments heaters and similar dew prevention accessories, the newly released Dual Channel Dew Contro...

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Secondary mirror heater that is rib-mounted

Sunday, April 13, 2025 by Richard Harris

One of the most frustrating issues for Newtonian telescope users, especially in humid or cold conditions, is dealing with dew and condensation on the secondary mirror. It is a problem that can end your night early, whether you are observing or capturing long-exposure images. The Rib-Mounted ...

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