Cleaning the primary mirror of an 8" Ritchey-Chretien telescope

As part of the process of exchanging the stock focuser with at more capable unit from Baader Planetarium, I will be taking the telescope apart and washing the primary mirror to remove the dirt accumulated on the surface during long nights under the starry sky.
This video shows what tools to use, how to disassemble the scope, remove the secondary and primary mirrors, as well as how to wash the primary, before putting the whole thing back together again.
The installation and alignment of the new focuser will be the subject of another video.

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Chapters:
00:00 Introduction
01:07 Removing the secondary mirror
02:52 Removing the stock focuser and extension tubes
03:52 Removing the primary mirror cell
07:16 Removing the light baffle
07:42 Unscrewing the mirror retaining ring
08:53 Separating the mirror from the mirror cell
09:51 Washing the mirror
12:13 Drying the mirror after the bath
14:55 Reinstalling the mirror
16:57 Putting the telescope back together again
19:10 Stay tuned for the next video with the rest of the process

#astrophotography #astronomy #telescope #telescopes #deepsky #space #nebulae