This is the same message with a corrected subject line. Ed On Wed, 28 Aug 2002, Ed Turner wrote: > > A great deal has been accomplished during the ongoing 3.5-meter shutdown, > including what appears to be an excellent re-aluminization of the primary > and extensive work on the enclosure shutter drives. > > Due to the necessity of taking on some unplanned work/repairs and various > small glitches of the usual sorts, it will be necessary to extend the > shutdown by *at least* two nights. Thus, science operations on August 30 > and 31 are canceled (affecting UC02 and PU04). > > The last stages of every major shutdown require on-sky work to align the > telescope, generate new pointing models and instrument blocks etc. They > thus depend on the weather. There is thus the possibility of further > delay in the resumption of scheduled science operations. At this point > there appears to be a substantial possibility that weather delays will > require us to also cancel science ops on Sept 1 and 2, so those programs > (NM01, PU03, PU04, UW02 and UW05) are at risk. PIs of those programs > will be informed when the situation becomes clearer and may want to > contact APO for last minute updates. > > In addition to the above issues re the telescope, SPIcam is currently > inoperative due to a failure of its mechanical cooler. We are waiting for > new parts being shipped by the manufacturer, but it appears unlikely that > SPIcam will be available again for at least the coming week. Programs > scheduled to use it (of which PU03 is the first) should designate an > alternate instrument or arrange for alternate use of the assigned time. > > Ed Turner > > > APO APO APO APO APO Apache Point Observatory 3.5m APO APO APO APO APO This is message 601 in the apo35-general archive. You can find APO the archive on http://www.astro.princeton.edu/APO/apo35-general/INDEX.html APO To join/leave the list, send mail to apo35-request@astro.princeton.edu APO To post a message, mail it to apo35-general@astro.princeton.edu APO APO APO APO APO APO APO APO APO APO APO APO APO APO APO APO APO