The Hubble Space Telescope
Unlocking the Secrets of the Universe

Daily Report #5310

Period Covered:
07:00 pm January 26, 2011 - 06:59 pm January 27, 2011
(DOY 27/0000z - 27/2359z)
Flight Operations Summary

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

HSTARs:
none

COMPLETED OPS REQUEST:
19001-0 - Venus Observation 3 Patch@27/1721z

COMPLETED OPS NOTES:
none

FGS ACQ STATUS:
SCHEDULED SUCCESSFUL
FGS GSAcq 10 10
FGS REAcq 9 9
OBAD with Maneuver 8 8

SIGNIFICANT EVENTS:
Flash Report 1 of 2: Final Venus Observations
Operations Request 19001 was successfully performed approximately 027/11:53 - 11:54 to execute
Macro 1, Section B of IP-219 Venus Observation Macros - Installation and Usage. Macro 1 was created
to patch the current safemode response from Inertial Hold to Software Sunpoint. The final Venus
Visit will include two observations occurring around 027/15:17 and 16:53 respectively. Once the
Venus activities are complete, the safemode responses and sun angle limit will be restored back to
Inertial Hold and 46 degrees respectively by Macro 2 via Section C approximately 027/17:18.

Flash Report 2 of 2: Final Venus Observations
Section C of IP-219 was successfully performed 027/17:21 - 17:22 to active the Post-Venus
Observation Macro #2 which restored the safemode response back to Inertial Hold and the Sunpoint
sun-angle limit back to 46 degrees. Both of today's Observations were successful with nominal
guide-star acquisitions.




Program Principal Investigator Program Title
Science Observations Scheduled
11579 Alessandra Aloisi, Space Telescope Science Institute The Difference Between Neutral- and Ionized-Gas Metal Abundances in Local Star-Forming Galaxies with COS
12070 Julianne Dalcanton, University of Washington A Panchromatic Hubble Andromeda Treasury - I
12203 S. Stanford, University of California - Davis Rest Frame Optical Spectroscopy of Galaxy Clusters at 1.6 < z < 1.9
12289 J. Howk, University of Notre Dame A COS Snapshot Survey for z < 1.25 Lyman Limit Systems
12433 Kandis Jessup, Southwest Research Institute Coordinated HST, Venus Express, and Venus Climate Orbiter Observations of Venus
Calibration Observations Scheduled
12337 Abhijith Rajan, Space Telescope Science Institute UVIS Internal Flats
12342 Tiffany Borders, Space Telescope Science Institute WFC3 UVIS CCD Daily Monitor
12351 Knox Long, Space Telescope Science Institute IR Persistence 18
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
12424 Rachel Osten, Space Telescope Science Institute COS FUV Spectroscopic Sensitivity Monitoring