SDO is performing the EVE cruciform calibration manuever today, starting at 1130 UTC (7:30 am ET) and running for about 8 hours. During this...

SDO will execute momentum management maneuver (MM) #38 today starting at 1930 UTC (3:30 pm ET). The maneuver should take about 30 minutes. D...

SDO will perform the following maneuvers during the next three months. During a maneuver science may be blurry or missing. Other important d...

SDO will execute Momentum Management Maneuver #37 today at 1838 UTC (2:38 p.m. ET). From 1830 to 1930 (UTC) science data may be missing or b...

The magnetic field of the Sun has several patterns and follows a few laws. Hale’s Polarity Law is one of those. It says that the leading and...

Yesterday, from 6:00--8:33 pm, the Moon moved between SDO and the Sun. These lunar transits happen a few times each year. Here is the FOT ...

SDO will execute Station Keeping Maneuver #20 today at 2230 UTC (5:30 p.m. ET). From 2200 to 2250 UTC (5:00-5:50 p.m. ET) science data may b...