Re: [ATM] Breathe through lightpath

[Alexis Cousein <al@sgi.com>]

GARY FUCHS wrote:
> Hello,
> 
> I find it odd that erudite respected folks can study and describe at length - and that work will, and should be read and taken seriously -  details of tube currents, boundary layers, and all sorts of things that happen on or about the primary mirror and OTA and have an impact on observing, but this question, that seems no less important, is treated as less than worthy of serious consideration. 
> 
> Anyway, wouldn't a simple lightweight shield prevent the problem? 
> 
People have been using shrouds for ages. Problem solved.

By the way, the problem also exists without breathing - at least when the winds
are unfavourable. You body emits nice heat plumes and the wind can carry them
across the optical path.

-- 
Alexis Cousein                                  al@sgi.com
Senior Systems Engineer/Solutions Architect     SGI/Silicon Graphics
--
<If I have seen further, it is by standing on reference manuals>

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