[[1ponders] (Paul)]

Just recently I volunteered for the job of maintaining the C11 and Losmandy G11 mount at the Mapleton School Community Observatory. This week I completed a brief maintenance survey of jobs to do and this big one jumped out at me.

Both the inside and the outside of the corrector plate have considerable "fungal" contamination. I don't have a problem dealing with the external cleaning, but I would like to get some ideas on getting to the internal problem. The preference, of course would be to not to send the OTA away to be cleaned if this is possible.

Any ideas welcome.

Thanks

BTW the fungus is also visible on the interior walls of the OTA (doesn't seem to be as much as on the corrector) and I wasn't able to see if there was any on the the mirror due to the lighting conditions. I'll check the mirror during day light this weekend.