SDO
13th April 2016, 13:00
SDO will perform the EVE Cruciform and HMI/AIA Flatfield maneuvers today starting at 1315 UTC (9:15 am ET) and lasting until 1900 UTC (3:00 pm ET). During the maneuvers the SDO images may be smeared by the motion of the spacecraft. Some partial images may be seen as the AIA team tests the Mercury transit mode in their cameras.
More... (http://sdoisgo.blogspot.com/2016/04/maneuvers-today.html)
More... (http://sdoisgo.blogspot.com/2016/04/maneuvers-today.html)