Earlier reports Convert Day of Year

The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #5269

Period Covered:
07:00 pm December 16, 2010 - 06:59 pm December 17, 2010
(DOY 351/0000z - 351/2359z)

Flight Operations Summary

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

HSTARs:
12546 - SCI: GSAcq(1,2,1) fails to RGA Hold, search radius limit exceeded on FGS-1@351/2247z
Observation possibly affected: ACS 71 Proposal ID#12210  


12547 - SCI: GSAcq(2,1,1) Loss of Lock multiple times while guiding under two FGSs@351/2352z
Observations possibly affected: ACS 72 Proposal ID#12058, WFC3 12058 Proposal ID#12058.  


COMPLETED OPS REQUEST:
none

COMPLETED OPS NOTES:
none

FGS ACQ STATUS:
		    SCHEDULED       SUCCESSFUL    FAILURE TIMES
FGS GSAcq		7		6
FGS REAcq		10		10
OBAD with Maneuver	5		5
LOSS of LOCK					  HSTAR 12547; 351/23:52z

SIGNIFICANT EVENTS:
none
Program Principal Investigator Program Title
Science Observations Scheduled
11644 Michael Brown, California Institute of Technology A dynamical-compositional survey of the Kuiper belt: a new window into the formation of the outer solar system
12058 Julianne Dalcanton, University of Washington A Panchromatic Hubble Andromeda Treasury - I
12210 Adam Bolton, University of Utah SLACS for the Masses: Extending Strong Lensing to Lower Masses and Smaller Radii
12326 Keith Noll, Space Telescope Science Institute Hubble Heritage 2.0
Calibration Observations Scheduled
12342 Tiffany Borders, Space Telescope Science Institute WFC3 UVIS CCD Daily Monitor
12344 Tiffany Borders, Space Telescope Science Institute Cycle 18: UVIS Bowtie Monitor
12384 David Golimowski, Space Telescope Science Institute CCD Daily Monitor {Part 1}
12400 Michael Wolfe, Space Telescope Science Institute Dark Monitor Part 1
12402 Michael Wolfe, Space Telescope Science Institute CCD Bias and Read Noise Monitor-Part 1
12411 Rachel Osten, Space Telescope Science Institute STIS/CCD Spectroscopic Sensitivity Monitor for Cycle 18