On April 8, 2024, people along a path from Mexico thru the USA and into Canada were treated to a total solar eclipse. SDO waited until much later in the day (actiually the next day in the UT time...
http://sdoisgo.blogspot.com/2024/04/eclipse-day-transit-was-not-as-exciting.html
Today SDO will execute the EVE Field of View (at 1315 UTC, 9:15 am ET) and the HMI/AIA Flatfield (at 1630 UTC, 12:30 pm ET) calibration maneuvers. During these maneuvers SDO science data may be m...
http://sdoisgo.blogspot.com/2024/04/spring-2024-calibration-maneuvers-begin.html
SDO will execute Momentum Management Maneuver (Delta-H) #49 today. Between 1830 UTC (2:30 pm ET) and 1910 UTC (3:10 pm ET) science data may be missing or blurred.
http://sdoisgo.blogspot.com/2024/03/momentum-management-maneuver-delta-h-49.html
On April 8, 2024, a large swath of North America will enjoy a Total Solar Eclipse from Mazatlán up through Texas to Maine and the Maritime Provinces of Canada. Although those along the path of t...
http://sdoisgo.blogspot.com/2024/02/09-april-2024-lunar-transit-08-april.html
SDO will execute Station Keeping maneuver #28 today from 2315-2400 UTC (6:15-7:00 pm ET). During a maneuver SDO science data may be missing or blurred. These maneuvers are needed to maintain SDO'...
http://sdoisgo.blogspot.com/2024/01/station-keeping-maneuver-28-today.html
Between 0557--0612 UTC (01:57--02:12 ET) on 18 Jun 2023, SDO is experience a brief lunar transit. The Moon will cover about 3% of the Sun, but because it will pass over the top diode SDO will lea...
http://sdoisgo.blogspot.com/2023/06/18-jun-2023-lunar-transit.html
The 2023-094 FDS Quarterly (Long-Set) Predicts have been delivered. They include events through 05 Nov 2023. The highlights are: 20 May 2023, 0222--0306 UTC (22:22--23:06 ET) - LunTran_2023140_3d...
http://sdoisgo.blogspot.com/2023/06/20-may-2023-lunar-transit-and-long-term.html
All is Go for the launch of the SDO EVE calibration rocket (NASA #36.389) on May 3. The EVE Team has approvals from NASA, WSMR (White Sands Missile Range, where the flight will occur), and the Na...
http://sdoisgo.blogspot.com/2023/05/eve-calibration-rocket-may-3-2023.html
The SDO Team will power cycle Inertial Reference Unit #2 (IRU-2) today. These cold starts are used to maintain the IRUs and ensure their longevity. The spacecraft will execute a series of off-poi...
http://sdoisgo.blogspot.com/2023/04/calibration-activities-today-1700-2030.html
Power is out at the Stanford data site due to the current atmospheric river. Power is being restored to the university and the JSOC should be back in operations soon. The data is stored at the SD...
http://sdoisgo.blogspot.com/2023/03/website-status-update-data-outage.html
SDO was launched into orbit 13 years ago yesterday, at 10:23 am ET on 11 Feb 2010. Thirteen years and millions of observations later, SDO is still producing excellent solar data. It is hard to pi...
http://sdoisgo.blogspot.com/2023/02/happy-launch-anniversary-to-sdo.html
SDO executed the EVE FOV and HMI/AIA Flatfield instrument calibration maneuvers yesterday, 04 Jan 2023, at 1415 UTC (9:15 am ET) and 1730 UTC (12:30 pm ET), respectively. During these maneuvers, ...
http://sdoisgo.blogspot.com/2023/01/perihelion-interrupts-instrument.html
We apologize for the lack of SDO data over the long weekend. A major software update was done last week and the system was released to production too early. The issues are being fixed, partial co...
http://sdoisgo.blogspot.com/2023/01/data-outage-is-being-fixed.html
Today SDO will execute the EVE Field of View (at 1315 UTC, 9:15 am ET) and the HMI/AIA Flatfield (at 1630 UTC, 12:30 pm ET) calibration maneuvers. During these maneuvers SDO science data may be m...
http://sdoisgo.blogspot.com/2022/10/fall-2022-calibration-maneuvers-begin.html
Although a comet hasn't been seen in the SDO field of view since 2012, we are always waiting for the next comet to appear. Today we will run our comet off-point test to make sure we are ready for...
http://sdoisgo.blogspot.com/2022/08/comet-off-point-test-today.html
Major Outage -- The fiber optic link between White Sands Ground Station and the JSOC in California is down. Repairs are underway. Time Down: 08/03/2022 14:57 CT (08/03/2022 19:57 GMT) Time Rep...
http://sdoisgo.blogspot.com/2022/08/major-outage-update-mission-wscsta.html
Here are the highlights of the SDO FDS Quarterly (Long Set) Predicts: 2022/206 @ 0716 UTC (07/25 @ 03:16 am ET) - July-August 2022 Eclipse Season Starts 2022/208 @ 2240 UTC (07/27 @ 6:40 pm ET) -...
http://sdoisgo.blogspot.com/2022/07/sdo-timeline-through-february-2023.html
SDO will execute Station Keeping maneuver #25 today from 2220-2300 UTC (6:20-7:00 pm ET). During a maneuver SDO science data may be missing or blurred. These maneuvers are needed to maintain SDO'...
http://sdoisgo.blogspot.com/2022/07/station-keeping-maneuver-25-is-today.html
The July 2022 Instrument Calibration maneuvers are starting. During an instrument calibration maneuver SDO science data may be missing, blurry, or misaligned. 06 Jul 2022: EVE FOV and HMI/AIA Fla...
http://sdoisgo.blogspot.com/2022/07/july-2022-instrument-calibration.html
Power has been restored to Stanford University and all of the components of the JSOC have been turned on. Near-realtime data has been flowing for a day. The science data pipeline will beginning s...
http://sdoisgo.blogspot.com/2022/06/jsoc-power-has-been-restored.html
Tomorrow, June 29, 2022, the Moon will transit the Sun between 0519 and 0554 UTC (01:19 and 1:54 am ET). At its peak the Moon will cover about 67% of the Sun. SDO science data will be unavailable...
http://sdoisgo.blogspot.com/2022/06/lunar-transit-on-june-29-2022.html
SDO executed Momentum Management Maneuver (Delta-H) #44 yesterday. Between 1945 UTC (3:30 pm ET) and 2015 UTC (4:15 pm) on 22-Jun-2022 SDO science data may be missing or blurred.
http://sdoisgo.blogspot.com/2022/06/momentum-management-maneuver-delta-h-44.html
The power is still out at the Stanford University building that houses the AIA/HMI JSOC. AIA and HMI data will be unavailable until power is restored. This outage is apparently due to a wildfire ...
http://sdoisgo.blogspot.com/2022/06/power-still-out-at-stanford.html
HMI and AIA data are temporarily unavailable. A widespread power outage has closed the Stanford campus that hosts the SDO Data Center.
The time in the header of the HMI movie turns out to be off by 3 hours (the movie runs from 1320-1342 UTC). Once I heard that, it was back to Helioviewer (https://www.Helioviewer.org , which now ...
http://sdoisgo.blogspot.com/2022/05/hmi-as-hi-speed-coronagraph.html