#collimation — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #collimation, aggregated by home.social.
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One of the real trouble jobs in #astronomy is collimating a reflector telescope. In particular, Maksutov-Cassegrains, like the ETX90, are tricky.
Fortunately, Escher over Cloudy Nights has posted a really useful guide.
https://www.cloudynights.com/topic/391392-dont-mess-with-etx-collimation/