Oct_12_1999 Shift M81
        Start at 1999:285:16:00:00 GMT
        End	      285:21:00:00 GMT

   
See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or
/proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Oct_12_1999_M81.txt.



SOT Lead	Ed Kellogg
SOT FP		
FOT-SI		
HRC-SI          
ACIS-SI		Royce Buehler
OTHER          



Plan: - Running P21 load, starting with obsid 18, Trapezium Cluster,
ACIS-I, no grating.


EVENTS					DONE	OBSID
--------------				----	-----
Start Shift, LOS			1600	
AOS					1700	18
LOS					1830                               


NOTES/ISSUES/PROBLEMS 
--------------------- 
Upon AOS, Royce noted that the S3 detector is showing 5000 events per
frame, indicating a hardware problem. This may be the same problem
with FEP0 reported in the previous shift.


From the chandra snapshot:

UTC 1999:285:17:47:00 (Tue Oct 12)
OBT 1999:285:17:46:30   CTUVCDU  5207859   FMT2_SSR   OBC s/w NRML  OBC Errs   0
OBT       56137590.84   ONLVCDU  5207856
                                                      OBSID     18  EPState  SUN
SIM TTpos   92903   HETG Angle  81.3  PCADMODE NPNT   RA    83.822  Bus V  30.71
SIM FApos    -535   LETG Angle  81.3  PCONTROL NPNT   Dec   -5.410  Bus I  29.50
                                      AOFSTAR  GUID   Roll  79.783
ACA Object FFFSSSSS     Dither  ENAB                                HRC-I HV OFF
ACA ImFunc TTTTTTTT     Dith Yang  -0.63    Yaw Rate     -0.01      HRC-S HV OFF
ACA CCD Temp  -10.4     Dith Zang  -7.92    Pitch Rate   -0.02      OBSMode NEXT
ACA Int Time  1.698                         Roll Rate     0.01      Door OP UNAC
AOACSTAT         OK     FSS SunAlfa  SUN                            Door CL UNAC
                        FSS Alfa   -0.52    Batt 1 SOC  100.00%
Avg HRMA Temp 70.61     FSS Beta  -22.84    Batt 2 SOC  100.00%
Avg OBA Temp  50.50     SA Resolv 112.46    Batt 3 SOC  100.00%  ACIS Stat7-0 65
OBA Tavg Fault NFLT     SA Sun Pres ILLM                         Cold Rad -120.7
OBA Trng Fault NFLT                                              Warm Rad  -82.0
HRMA power    26.80
OBA power    153.50                                              EPHIN Geom LARG
                                                                 INT cnt     125
Roll Mom.     0.000                                              P41GM cnt     0
Pitch Mom.   -6.145                                              A-Leak   0.2400
Yaw Mom.      6.332                                              B-Leak   0.0360