Here's the schedule for the HST observations during the week leading up to the impacts and the impact week itself. Unless otherwise indicated, all observations are for imaging with the WFPC-2 (Wide Field/Planetary Camera-2).
1) SL-7 (Q region) on 7/11, 19:14-21:41 UTC 2) SL-15 (G region) on 7/14, 08:24-10:49 UTC 3) FOS spectroscopy of the SL-15 (G) region on 7/14, 11:37-14:04 UTC 4) SL-5 (S region) on 7/14, 14:50-17:16 UTC 5) SL-12 (K region) on 7/18, 15:17-16:09 UTC 6) SL-11 (L region) on 7/19, 13:49-14:38 UTC 7) SL-7 (Q region) on 7/20, 07:32-10:00 UTC 8) SL-5 (S region) on 7/20, 17:09-17:59 UTC