SDO
10th April 2013, 14:00
Today at 1800 UTC (2 pm ET) SDO will execute an EVE cruciform maneuver. SDO will nod back and forth and up and down. These motions allow EVE to calibrate their spectral irradiances.
More... (http://sdoisgo.blogspot.com/2013/04/eve-cruciform-april-10-2013.html)
More... (http://sdoisgo.blogspot.com/2013/04/eve-cruciform-april-10-2013.html)