The second-half nights on March 20 and 21, previously scheduled for PU04, are now OPEN due to DIS engineering down time. If you would like to use this time (but not with DIS, of course) please notify me, with a copy to your institutional scheduler, ASAP. Note that this is prime dark time. Thanks, Ed Turner APO APO APO APO APO Apache Point Observatory 3.5m APO APO APO APO APO This is message 494 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