SDO
7th April 2022, 15:10
SDO will execute several calibration maneuvers during April.
April 13, 2022: EVE Field of View (1415 UTC, 10:15 am ET) and HMI/AIA Flatfield maneuvers (1730 UTC, 1:30 pm ET)
April 20, 2022: HMI Roll Maneuver (1400 UTC, 10:00 am ET)April 27, 2022: EVE Cruciform (1300 UTC, 9:00 am ET)
Science data may be blurry or missing during each calibration maneuver.
More... (http://sdoisgo.blogspot.com/2022/04/april-calibration-maneuvers.html)
April 13, 2022: EVE Field of View (1415 UTC, 10:15 am ET) and HMI/AIA Flatfield maneuvers (1730 UTC, 1:30 pm ET)
April 20, 2022: HMI Roll Maneuver (1400 UTC, 10:00 am ET)April 27, 2022: EVE Cruciform (1300 UTC, 9:00 am ET)
Science data may be blurry or missing during each calibration maneuver.
More... (http://sdoisgo.blogspot.com/2022/04/april-calibration-maneuvers.html)