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What You Never Knew about Cleaning Optics

Video: What You Never Knew about Cleaning Optics

Submitted by rasc@johnginder.com on 9 October 2019

Jim Chung shows us some interesting facts about cleaning our telescopic optics that we didn't know. Jim is a member of the RASC, Toronto Centre and gave his talk at the Recreational Astronomy Night meeting, which was held at the Ontario Science Centre on October 9, 2019.