Earlier reports Convert Day of Year

The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #5369

Period Covered:
08:00 pm March 26, 2011 - 07:59 pm March 27, 2011
(DOY 86/0000z - 86/2359z)

Flight Operations Summary

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

HSTARs:
12791 - SCI: REAcq(1,2,1) first attempt failed at 20:59:43 due to Scan Step Limit Exceeded on FGS 2.
The second attempt failed during LOS. @086/2059z
Observations affected: WFC3 178 Proposal ID#12237, ACS 115-116 Proposal ID#12166


COMPLETED OPS REQUEST:
none

COMPLETED OPS NOTES:
none

FGS ACQ STATUS:
		    SCHEDULED       SUCCESSFUL
FGS GSAcq		9		9
FGS REAcq		6		5
OBAD with Maneuver	3		3

SIGNIFICANT EVENTS:
none
Program Principal Investigator Program Title
Science Observations Scheduled
12060 Sandra Faber, University of California - Santa Cruz Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey -- GOODS-South Field, Non-SNe-Searched Visits
12099 Adam Riess, The Johns Hopkins University Supernova Follow-up for MCT
12166 Harald Ebeling, University of Hawaii A Snapshot Survey of The Most Massive Clusters of Galaxies
12178 Scott Anderson, University of Washington Spanning the Reionization History of IGM Helium: a Highly Efficient Spectral Survey of the Far-UV-Brightest Quasars
12237 William Grundy, Lowell Observatory Orbits, Masses, Densities, and Colors of Two Transneptunian Binaries
12328 Pieter van Dokkum, Yale University 3D-HST: A Spectroscopic Galaxy Evolution Treasury Part 2
Calibration Observations Scheduled
12342 Tiffany Borders, Space Telescope Science Institute WFC3 UVIS CCD Daily Monitor
12352 Bryan Hilbert, Space Telescope Science Institute WFC3/IR Signal Non-linearity Monitor
12380 Bryan Hilbert, Space Telescope Science Institute Guard Darks
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