I'll be on the mountain next week, and can provide an easy way for the observing specialist to set the zero points. If there are other desires for changes to the the DIS code, please let me know sometime this week. No promises that I'll listen, of course. R APO APO APO APO APO Apache Point Observatory 3.5m APO APO APO APO APO This is message 49 in the apo35-dis archive. You can find APO the archive on http://www.astro.princeton.edu/APO/apo35-dis/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-dis@astro.princeton.edu APO APO APO APO APO APO APO APO APO APO APO APO APO APO APO APO APO