... Applying the Lessons Learned from HST Operations to New Missions" , presented at SPIE's International Symposium Astronomical Telescopes and Instrumentation . ... Portable Astronomical Scheduling Tools" presented at the ADASS V Conference . A System for Long-Term Scheduling of Ground-Based Observatories" ( html , postscript ) presented at the Conference on New Observing Modes My technical papers, as well as those by STScI colleagues are available on-line. ... Spike planning and scheduling system . ...