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  1. Thread: January Maneuvers

    by SDO
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    January Maneuvers

    http://3.bp.blogspot.com/-_pXki9vsv0o/Vp-MQaCY4MI/AAAAAAAAA2s/dq8zQX3exHM/s320/20160113_152405_512_0193.jpg
    Last Wednesday SDO did the HMI/AIA roll maneuver, where the satellite spins around to help...
  2. Short Outages in the SDO Website and Data Flow

    Since Monday there have been several interruptions in the SDO website and data flow. On Monday a test of the Inertial Reference Units resulted in SDO pointing slightly off center for about 90...
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    2015 was a Very Good Year

    http://2.bp.blogspot.com/-2BBVCGhEQ34/VovSeLUOojI/AAAAAAAAA2U/j-Fm8l9tPdI/s320/double_eclipse_sep_2015.jpg
    2015 was a great year for SDO! We finished our prime mission and began the first extended...
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    Data Outages Have Ended

    The data outages caused by snow and ice ended Monday morning when the Sun melted the last pieces of ice off of the SDO antennas.
    Many thanks to the FOT members who worked to keep the antennas...
  5. Data Outages Due to Snow in Southern New Mexico

    Since last night, the SDO science telemetry downlink has been severely degraded due to snow and ice in southern New Mexico. The telemetry files being delivered to the SOCs have been partial for all...
  6. Today's Occultation of Venus and the 2016 Mercury Transit Across the Sun

    Today Venus will disappear behind the Moon at varying times across the United States. It will not be visible from SDO as we do not have a lunar transit today. Please see the front page of...
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    See SDO 4k Movies and Projected over Dublin

    Trinity College Dublin (Ireland) is running a campaign in Dublin called City of Physics, showing the city of Dublin the beauty of physics. For their opening nights at the end of October, they...
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    Today is Calibration Maneuver Day!

    SDO will perform two calibration maneuvers today. The EVE field of view maneuver will run from 1315-1557 UTC (9:15 am-1:57 pm ET) and HMI/AIA Flatfield will run from 1630-1907 UTC (2:30-5:07 pm ET)....
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    Another Lunar Transit Today

    SDO will see another lunar transit today from 1718 UTC (1:18 p.m. ET) until 1733 UTC (1:33 p.m. ET). Although this is a very short transit, the Moon will occult part of the fine guidance system in...
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    SDO Website is back up

    The maintenance on the SDO web and data servers is complete the website is back up and running normally. Thank you.


    More...
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    SDO website is undergoing maintenance

    The SDO web and data servers are undergoing maintenance and will be unavailable for a time. We apologize for any inconvenience. We will send out a message as soon as our servers are back up.

    ...
  12. The First Maneuver of the First SDO Extended Mission

    On October 1, 2015, SDO began the First SDO Extended Mission. The SDO Team submitted a proposal to NASA in March to continue observing the Sun for another two years. The proposal was approved and we...
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    Movies of the Alignment at NASA

    NASA has posted a feature about the alignment yesterday morning. It looks great!
    http://www.nasa.gov/feature/goddard/nasas-sdo-catches-a-double-photobomb
    Check it Out!

    More...
  14. An Alignment of the Four Most Important Objects in the Solar System

    Sunday morning, September 13, 2015, we will have an alignment of the four most important objects in the solar system. SDO, the Earth, the Moon, and the Sun will form a line in space. From 0614 UTC...
  15. Thread: Comet has Faded

    by SDO
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    Comet has Faded

    The incoming sungrazing comet has faded and will most likely not be visible this afternoon in SDO AIA images. This is common in Kreutz comets, they evaporate before reaching the Sun. The light curve...
  16. The Comet is Still There, Waiting for the Perihelion Time Update

    http://2.bp.blogspot.com/-jgh12IIPKNE/VeBY93IxJAI/AAAAAAAAAz0/aPQzkhetXVs/s400/Trajectory_overview_2.png
    This morning we should get better information about the orbit of the incoming comet. The...
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    A New Sungrazing Comet, Will SDO See It?

    http://1.bp.blogspot.com/-hMB0Gwph4jM/Vd8-W1or6xI/AAAAAAAAAzY/aEOEbcSWJcI/s320/CNbQBeXVAAAPd8B.jpg
    Karl Battams (@SungrazingComets on Twitter) has announced a new sungrazing comet. It is seen in a...
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    Welcome to the Fall 2015 Eclipse Season

    http://1.bp.blogspot.com/-JOQ0nfHln08/VdxsroWk34I/AAAAAAAAAy8/jT2TZNCEPyA/s320/20150825_071054_512_0193.jpg
    Today is the beginning of SDO's Fall 2015 eclipse season. From today until September 17,...
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    Stationkeeping Maneuver #11 is Today

    SDO will execute Stationkeeping Maneuver #11 today from about 2245-2315 UTC (6:45-7:15 p.m. ET). This Delta-V burn is used to keep the observatory within the assigned orbital box. During the maneuver...
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    Momentum Management Maneuver Today

    SDO will perform a Momentum Management maneuver today at 1930 UTC (3:30pm ET). For about 30 minutes from 1920 (3:20 pm ET) science data will not be available. As soon the reaction wheels are at their...
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