quick online clinic

Helped Richard P with some telescope matters, virtually, of course. He had questions about cleaning the mirror of his bought-used 8-inch Dobsonian as well as getting the focuser to stop sliding in under the weight of any eyepiece.

Shared Jim C's prioritised order for cleaning optics. Start nearest the eye...

Shared the recipe for a cleaning solution.

And talked about the tension adjustment for the focuser.