Removing the mirror of the 90 cm telescope
The last time the mirror got coated was in 1994 — so in 2011 coating was overdue.
Disassembly, coating, and assembly were done by 4H – Jena engineering.
The telescope
Removing the protection cap
Mirror mount
Lassell levers
Inside the telescope
Removing the mirror mount
Main mirror
Radial support elements
Removing the radial support elements from the mirror mount
The mirror
Wooden transport box
Two weeks later
