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3\05 HST Daily Rpt No 3313
Part 4 of 4

ACS 9673

CCD Daily Monitor

for any source of noise in ACS CCD detectors. This programme will be 
executed once a day for the entire lifetime of ACS

WFPC2 9676

POMS Test Proposal: WFII parallel archive proposal

This is the generic target version of the WFPC2 Archival Pure Parallel 
program.  The program will be used to take parallel images of random 
areas of the sky, following the recommendations of the 2002 Parallels 
Working Group.

NICMOS 9702

NICMOS Parallel Thermal Background

NICMOS Camera 2 pure parallel exposures in the F222M and F237M filters 
to establish the stability of the HST+NCS+Instrument thermal emission. 
This data will be compared against the already available Camera 3 
measurements in F222M which show an increased thermal background.

STIS 9706

STIS Pure Parallel Imaging Program: Cycle 10

FLIGHT OPERATIONS SUMMARY:

Significant Spacecraft Anomalies: (The following are preliminary 
reports of potential non-nominal performance that will be 
investigated.)

HSTAR 8947:  GSACQ(2,3,2) FL Backup, scan step limit exceeded on FGS 
               2.  GSACQ(2,3,2) at 11:52:41 resulted in fine lock 
               back-up on FGS 3 with scan step limit exceeded on FGS 
               2.Observations affected: STIS 55 to 57, ACS 111, NICMOS 
               50 . Under investigation. The guide star acquisition 
               for this observation was non-nominal, further analysis 
               will determine if a repeat observation is required.

COMPLETED OPS REQs: NONE

OPS NOTES EXECUTED: NONE

            SCHEDULED     SUCCESSFUL    FAILURE TIMES
FGS GSacq       08            08              
FGS REacq       07            07
FHST Update     16            16  
LOSS of LOCK

SIGNIFICANT EVENTS: None

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