Due to instrument engineering work in progress, the square slit (1.6 x 1.6 arc sec) will be left in place until further notice. I.e., no slit changes are allowed. The situation is expected to be resolved within a month or so. Questions about this restriction should be directed to Don York. Ed Turner APO APO APO APO APO Apache Point Observatory 3.5m APO APO APO APO APO This is message 12 in the apo35-echelle archive. You can find APO the archive on http://www.astro.princeton.edu/APO/apo35-echelle/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-echelle@astro.princeton.edu APO APO APO APO APO APO APO APO APO APO APO APO APO APO APO APO APO