[mmaimcal] Solar Attenuator

[Bryan Butler]

when looking at the sun, calibration has a completely different meaning.  i 
suspect you would never do fast switching calibration when observing the sun. 
switching the attenuator in and out would screw the calibration up.  you should 
get the opinion of the solar observers (bastian, white, etc.), but i'd guess 
that in the solar case you will want a nearly unique calibration scheme.

	-bryan


On 7/11/06 15:30, Mark Holdaway wrote:
> Another issue which I have been ignoring, but should not if it
> takes 7 seconds cycle time on removing/inserting the solar attenuator:
> 
> People observing the sun would probably like to have a fairly continuous
> time series.  If we do fast switching, that means that we have data for 
> 26 seconds
> and we miss the sun's dancing for 4 seconds.   With a 7second 
> remove/insert, then
> we will probably be on the sun for like 22 seconds and off for 8-9 
> seconds, resulting in
> larger gaps in the solar coverage.
> 
>     -Mark
> 
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