sdo

Discovery is hosting a set of SDO pictures at news.discovery.com. SDO is GO! More...

SDO will again be off-pointing away from the Sun today, July 13, so don't be surprised to see partial Sun images, streaks, or no Sun at all! This is a planned maneuver that happens four times per year in order to help the EVE instrument more fully understand its pointing and wavelength...

The SDO Flight Operations Team supported a nominal lunar transit on Tuesday, May 3. The FOT supported momentum unload maneuver (delta-H) #5 on May 4 at 1800 UT. The delta-H burn time was 3.8 seconds. Thruster 6 was fired for 150 milliseconds one minute prior to the delta-H burn in order to help...

Check out the cover story on SDO in the May issue of Astronomy magazine. More...

The SDO EVE calibration rocket flight today was very successful. We launched on time (11:50 MDT, 17:50 UT) and all the rocket and flight SDO quick-look data look excellent. Thanks for all those at WSMR, NASA, NSROC, and LASP for supporting this successful mission ! Congratulation to Tom...

SDO will observe a lunar transit today. Here is a video illustrating the transit. More...