SOHO Daily Meeting Minutes for Wednesday, 29 Dec. 1999 Chaired by: J. Hollis (SOC) Notes by: K. Schenk (EIT) DOY: 363 ANNOUNCEMENTS ------------- * Between 1:20 p.m. and 2:40 p.m. there may be two short network interruptions (10-20 seconds). This is due to scheduled NCC firewall maintenance. * NEW: PMI WILL BE PERFORMING CORRECTIVE MAINTENANCE ON BUILDING 3 UPS-20 ON DECEMBER 30 FROM 8:00 AM UNTIL 4:00 PM. THE UPS UNIT WILL REMAIN ONLINE FOR THIS ACTIVITY. ESCORTS WILL BE PROVIDED BY MSOCC MAINTENANCE PERSONNEL. NO IMPACT TO OPERATIONS IS EXPECTED. 3-UPS-20 supports SOHO, ACE, W/P, and XTE missions. FOT REPORT ---------- Spacecraft Status: Nominal Spacecraft Anomalies: None Accomplished Activities: VIRGO, CELIAS, SWAN Guide star swap (2.95 mag), RSL Planned Activities: VIRGO, CELIAS Y2K Preparation (UVCS safing) Upcoming Operations: None Ground Anomalies: None SOLAR STATUS ------------ SOLAR ACTIVITY FORECAST: SOLAR ACTIVITY IS EXPECTED TO BE LOW TO MODERATE. GEOPHYSICAL ACTIVITY FORECAST: THE GEOMAGNETIC FIELD IS EXPECTED TO BE QUIET TO UNSETTLED EARLY IN THE PERIOD. THE FIELD IS EXPECTED TO BECOME DISTURBED STARTING ON 31 DEC AS A RESULT OF A LARGE EQUATORIAL CORONAL HOLE EAST OF CENTRAL MERIDIAN.. 12/28 DOY 362 - 12/29 DOY 363 EIT daily On-Line Solar Status and observations: http://umbra.nascom.nasa.gov/eit/plan/log_form19991229.html LASCO 12/28 DOY 362: 15:54 SW faint CME, backsided and may be filament related. 23:54 UT Bright event over South Pole. Rough Leading edge with bright structure. 12/29 DOY 363: 09:54 UT Large bright CME in NW. Event corresponds to the C9 flare from AR8806 now on limb. INSTRUMENT STATUS ----------------- CDS: Nominal. Sunspots Oscillations studies of AR 8809. UVCS: Nominal. Extended Global Coronal Survey campaign in North West. LASCO: Nominal. C2 and C3 synoptics while CME Watching. EIT: Nominal. Full resolution 195A images at 12 minutes. MDI: Nominal. Full disk Magnetograms and Dopplergrams TRACE: Nominal. Movies of AR 8809 as it crosses disk. Will support Flare Genesis later.