SDO
21st December 2021, 14:10
SDO executed momentum management (MM) maneuver #42 on December 15 from 1945-2015 UTC (2:45-3:15 pm ET). During an MM maneuver SDO science data may be missing or blurred. These maneuvers are needed to keep SDO accurately pointed at the Sun and taking data.
More... (http://sdoisgo.blogspot.com/2021/12/momentum-management-maneuver-42.html)
More... (http://sdoisgo.blogspot.com/2021/12/momentum-management-maneuver-42.html)