MDM Trouble Report for 2008 Jun 14

Telescope: 2.4m
Observer(s): John Tobin (Michigan)
Instrument: TIFKAM

Problem(s) Encountered:
ADDED ON FOLLOWING EVENING:

The NORTH petal of the mirror cover is getting stuck
while openning. I first tried moving the valve from compressor
to cylinder as described in the manual, this didn't work. I
then slewed the telescope north to try assisting the opening
of the cover. When I went out and looked at the cover, it 
appeared to get hung up on the central baffle. I turned the 
telescope down to an altitude of 20 degrees and the cover was 
still stuck. Moved it back to an altitude of 30 and got on
the stairs and tapped the petal with my fist, it then fell open
and the rest of the petals openned.


PREVIOUS NIGHT:

I had one issue with the telescope running into the soft limit on
hour angle. I was trying to go to L1157 while it was airmass of
2.1, but its hour angle was -6, it's declination is +68. The 
TCS got pretty confused, trying to send the telescope through 
90 degrees declination. I aborted the auto slew and slewed
manually and ran into the soft limit. I called Bob and he
talked me through getting out of it, just using set and going
west for a minute. 

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Submitted on 2008 Jun 14 [20:09:57]
NOTE: This trouble report replaces the previous report for 2008 Jun 14