HUBBLE SPACE TELESCOPE DAILY REPORT #2523 PERIOD COVERED: 0000Z (UTC) 12/17/99 - 0000Z (UTC) 12/18/99 Daily Status Report as of 352/0000Z 1.0 OBSERVATIONS SCHEDULED AND ACCOMPLISHED: Since HST remains in Zero Gyro Sun Point (ZGSP), no science observations were performed. 2.0 FLIGHT OPERATIONS SUMMARY: 2.1 Guide Star Acquisitions: No activity 2.2 FHST Updates: No activity 2.3 Operations Notes: The HST is in ZGSP. Yesterday's scheduled launch was delayed again due to weather. Per Operation Note #661, the time-based recharge ratio charge/discharge buffers were reset at 351/1348Z. The WF/PC-2 temperature limits were returned to their original data base values at 351/1808Z as directed by Operations Note #688. 3.0 SIGNIFICANT FORTHCOMING EVENTS: Servicing Mission 3A is now scheduled for a launch on December 18. The launch window opens at 353/0821Z. /CAW