NASA Hubble Space Telescope Daily Report #4134
“DOY 164/2006 Zero-Gyro Sunpoint (ZGSP) Safemode Flash Report – At GMT 164/20:35:26 the vehicle entered ZGSP Safemode due to the failure of the Magnetic Field Position safemode test. The initial investigation shows no signs of hardware issues. … The recovery of HST from the Zero Gyro Sun Point safemode entry is proceeding nominally.”
