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  1. Momentum Management Maneuver (Delta-H) #49 today

    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.

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  2. 09 April 2024 Lunar Transit (08 April for North America)

    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...
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    Station Keeping maneuver #28 today

    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's...
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    18 Jun 2023 Lunar Transit

    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 leave...
  5. EVE Calibration Rocket, May 3, 2023, Streaming on NASA TV

    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 Navy...
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    Calibration Activities Today 1700-2030 UTC

    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-point...
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    Website Status Update - Data Outage

    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 SDO...
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    Happy Launch Anniversary to SDO!

    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 pick...
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    Perihelion Interrupts Instrument Calibrations

    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, at...
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    Data Outage is Being Fixed

    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...
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    Fall 2022 Calibration Maneuvers Begin

    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...
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    Comet Off-Point Test Today

    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 the...
  13. Major Outage -- Update Mission WSC/STA Links 1000/1001 Down INC000002987105

    Major Outage -- Update Mission WSC/STA Links 1000/1001 Down INC000002987105
    Time Down: 08/03/2022 14:57 CT (08/03/2022 19:57 GMT)
    Time Reported: 08/03/2022 15:10 CT (08/03/2022 20:10 GMT)

    Reason...
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    SDO Timeline Through February 2023

    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...
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    Station Keeping maneuver #25 is Today

    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's...
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    July 2022 Instrument Calibration Maneuvers

    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...
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    JSOC Power has been Restored

    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...
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    Lunar Transit on June 29, 2022

    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...
  19. Momentum Management Maneuver (Delta-H) #44 Yesterday

    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.

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    Power Still Out at Stanford

    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 near...
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