Wednesday, July 22, 2015

HMI Roll Maneuver Today

SDO will perform a roll maneuver today starting at 1630 UTC  (12:30 pm ET). The Sun may appear to rotate in images taken during this maneuver. The roll angle will be removed in the science data.

Wednesday, July 8, 2015

More Calibration Maneuvers

Today SDO will perform the EVE Field of View maneuver at 1315 UTC (9:15 a.m. ET) and the HMI/AIA Flatfield maneuver starting at 1630 UTC (2:20 p.m. ET. While the maneuvers are running the SDO science data is recorded but may not be usable for science studies.