Earlier reports Convert Day of Year

The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #5355

Period Covered:
07:00 pm March 12, 2011 - 07:59 pm March 13, 2011
(DOY 72/0000z - 72/2359z)

Flight Operations Summary

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

12771 - SCI: GSAcq(1,3,1) at 22:22:13 required five attempts to reach fine lock@071/2223z
Observations possibly affected: COS 49-51, proposal ID#12161, WFC3 143, proposal ID#12351.

12772 - SCI: GSAcq(1,3,1) required five attempts to reach fine lock.@071/2230z
Observations possibly affected: COS 49-51, proposal ID#12161.

12773 - SCI: REAcq(1,2,1) fails to RGA control, FGS 1 Search Radius Limit exceeded@071/0238z
Observations affected: WFC3 149-151, proposal ID#11557.

12775 - SCI: REacq(1,2,1) fails to RGA Hold (gyro control) at AOS@072/1958z
Observations affected: WFC3 166-167 Proposal ID#12283, COS 63 Proposal ID#12276



FGS GSAcq		5		5
FGS REAcq		8		6
OBAD with Maneuver	4		4

FLASH REPORT GSCA 1937: SNAS Release 4 candidate 5 Client Deployment  

Program Principal Investigator Program Title
Science Observations Scheduled
11557 Gabriela Canalizo, University of California - Riverside The Nature of low-ionization BAL QSOs
12161 David Ardila, Jet Propulsion Laboratory Accretion in Close Pre-Main-Sequence Binaries
12209 Adam Bolton, University of Utah A Strong Lensing Measurement of the Evolution of Mass Structure in Giant Elliptical Galaxies
12231 Paula Szkody, University of Washington An Unprecedented Opportunity to Follow 4 Accreting WDs into the Instabilty Strip
12264 Simon Morris, University of Durham The Relationship between Gas and Galaxies for 0
12276 Bart Wakker, University of Wisconsin - Madison Mapping a nearby galaxy filament
12283 Matthew Malkan, University of California - Los Angeles WFC3 Infrared Spectroscopic Parallel Survey {WISP}: A Survey of Star Formation Across Cosmic Time
12286 Hao-Jing Yan, The Ohio State University Hubble Infrared Pure Parallel Imaging Extragalactic Survey {HIPPIES}
Calibration Observations Scheduled
12342 Tiffany Borders, Space Telescope Science Institute WFC3 UVIS CCD Daily Monitor
12391 Pey Lian Lim, Space Telescope Science Institute SBC Dark Current Measurement
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