MDM Trouble Report for 2018 Apr 25

Telescope: 1.3m
Observer(s): David Schiminovich, Josh Tan, Jules Halpern (Columbia University)
Instrument: Mark III + Templeton

Problem(s) Encountered:
The two main issues were that 
1) the guider camera is far out of focus.  We were pushing the top guider focus button and it stopped improving 
(spot getting smaller) when we hit the end of the range. From where we started, we probably had moved about 1/3 of the way towards
best focus, but still saw a fairly large donut.

2) it seems that the slit viewing camera may have been loose 
and/or had a mechanical interference, possibly with guide probe movement.   

We can see two slits, but as far as we can tell, neither is actually the entrance slit.  We tried
to position a very bright star over both, but no light showed up on image.  We *think* this happened
when the guide probe was moved towards a star near center of field, but it isn't clear
whether that was a coincidence.

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Submitted on 2018 Apr 25 [21:32:26]