[APML] st-4 looses guidestar

["Bobby Middleton" <bobm@koyote.com>]

I've had this a few times for no aparrent reason, but I'm inside the house
catching naps between exposures so I really don't know if a small passing
cloud might have been the culprit or not on the previous times. Last night
when I arose from my naps to end exposures I found the st-4 beeping away on
2 of them with the guidestar being lost. On one I reset the find/focus and
the star was still on the chip. Last night it was absolutly clear, so no
passing clouds were a problem. My optics weren't dewed up at all. I've
recently baked the dessicate ring (about December) so I think that is not a
factor. Br readings were sensitive and consistant all night when I did
set-ups; as well as were corrections: 2's-3's on average at 2200mm FL. This
has happened more often as of late; anybody want to suggest possible causes?
Bobby Middleton



 http://www.koyote.com/users/bobm/word.htm


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