Richard, a new study brief for inclusion in the list. --------------------------- TRVFEVOL - Transition region velocity field evolution Precise acronym to be run - TRVFEVOL Approx duration - 1 hour NIS, 2'x4' area, 2x240 slit, 60 locations Exposure time: 25 secs. Compression: Truncate Lines: O IV 554, Ne VI 563, O III 599, O V 629 Comment - basic study is 2 rasters lasting a total of 1 hour. The observation should consist of a sequence of these studies for a total duration of up to 4-5 hours. Each study should be on QS near disk centre and be offset 10" West from the previous (ie manual feature tracking). --------------------- Do you want briefs for engineering-type studies? Dave