Re: [APML] ST4 dessicant ring

[Alan Voetsch <alanv12952@yahoo.com>]

--- steve banbury <banburys@sonic.net> wrote:
> Referencing the fragility of the ST4 dessicant rings and lack of 
> replacements, I wonder if anyone has tried pulling a light vacuum on
> the 
> ST4, and letting it sit that way for a few days to pull moisture out 
> without needing to actually remove the ring?

I'm happy to report that the ring came out in one piece and is now
baking happily in a 400 degree oven for 4 hours (per SBIG website).
It was not glued down and was sliding as I tipped the CCD head. The new
ring is installed and I expect to post tomorrow that the ring was the
source of my problems as the power supply battery appears to be fine.

What I now wonder is if I should keep the head in a ziplock with
desiccant in it during the times it is not being used. Typically I just
leave it capped in the observatory when not in use.

Alan




		
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