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    Data Delivery System in Maintenance Mode

    The SDO Data Delivery System (DDS) is the interface between the antennas that receive the SDO data and the science data centers. At this time we are performing maintenance on the DDS and hope to have...
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    How Loud is the Sun?

    Tuesday morning was our last eclipse of the Spring 2015 eclipse season, so SDO is back to solar data 24/7.
    A recent post on reddit.com asked whether the inside of the Sun would be the loudest place...
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    The First X-class Flare of 2015!

    Active Region 12297 was the site of two M-class flares yesterday and an X2.1 starting today at 1611 UTC (12:11 p.m. ET). AR 12297 is in the southern hemisphere of the Sun.

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    Spring 2015 Eclipse Season has Begun

    http://2.bp.blogspot.com/-W_NVhTiX0BA/VO0Q9LHG-1I/AAAAAAAAAv8/Vir1qriYEcU/s320/20150223_071148_512_0171.jpg
    The spring 2015 eclipse season has begun! Yesterday at 0711 UTC (2:11 am ET) the Earth...
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    SDO is in the News!

    http://4.bp.blogspot.com/-xpll_-M38f8/VOOdfbNlLjI/AAAAAAAAAvs/IYA0CDhZ6xc/s320/20150215__SJM-SOLARFLARE-0216~2.JPG
    The San Jose Mercury News had a front-page story about predicting solar flares....
  6. SDO's Fifth Anniversary and DSCOVR's New Beginning

    SDO's 5th anniversary of launch was celebrated with the release of a Five year video by the GSFC Office of Communications.



    We also attended the opening of the Solarium exhibit that features...
  7. Thread: Five Years of SDO

    by SDO
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    Five Years of SDO

    http://1.bp.blogspot.com/-FLDCZZpHLkw/VNps6oXvq3I/AAAAAAAAAvc/0yBrY5IPqYg/s320/SDOspectrum5th.png
    It is hard to believe that the SDO launch was 5 years ago! Tomorrow, February 11, is the fifth...
  8. Thread: Today's Maneuvers

    by SDO
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    Today's Maneuvers

    http://4.bp.blogspot.com/-ODOJnS6Sl6g/VNJLt6nuH0I/AAAAAAAAAvM/aqTd-Hwa6cM/s320/20150204_142256_512_0193.jpg
    Today, February 4, 2015, SDO performed two maneuvers, the EVE FOV from 1315-1557 UTC...
  9. Celebrate the "Year of Light" With a Beautiful SDO Image!

    http://3.bp.blogspot.com/-14U1pDfeets/VM_c1prLGBI/AAAAAAAAAu8/OGbyxtXmjrw/s320/latest_512_0193-2.jpg
    UNESCO has declared 2015 as the International Year of Light. A story on CNN showed NASA images...
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    EVE Cruciform Today

    Today, from 1800-2252 UTC (1:00-5:52 pm ET), SDO will perform the EVE Cruciform calibration maneuver. During this time the images may be blurred.
    Tomorrow is the AIA GT/PZT Calibration from...
  11. Yesterday's Maneuver and Today's Weather in Las Cruces

    Yesterday at 1950 UTC (2:50 p.m. ET) SDO did Momentum Maneuver #21. Science data may not be available for 20 minutes on either side of the thruster firing.
    There is heavy snow at the White Sands...
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    100,000,000 AIA Images!

    http://1.bp.blogspot.com/-NYr8fUD9Gfw/VL5wj5Lsd1I/AAAAAAAAAus/bfUHuZBzLKE/s320/aia_193_100M.jpeg
    Yesterday, January 19, 2015, at 1749 UTC (12:49 pm ET) the AIA instrument recorded its 100,000,000th...
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    100,000,000 on my Mind

    http://2.bp.blogspot.com/-txUbtdN47hY/VLfDHd0QT8I/AAAAAAAAAuU/WALjG9vXgHo/s320/odometer_100000000.png

    The number 100,000,000 has been on my mind this week, especially as Monday approaches.
    If I...
  14. SDO on the cover of Discover magazine's "100 Top Stories of 2014"

    SDO chosen as one of the Top Stories of 2014 by Discover magazine. Congratulations SDO team!
    http://2.bp.blogspot.com/-E25G8fJK234/VLbdB_UIR0I/AAAAAAAAApQ/YcTX1rr7UrQ/s1600/DSC-JanFeb15.jpg

    ...
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    Happy Perihelion Day!

    Happy Perihelion! Yesterday at 0636 UTC (1:36 am ET) the Earth was as close to the Sun as it will be in 2015. This is called perihelion. The distance change is small (about 1.67% closer at perihelion...
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    A Big SDO Welcome to 2015!

    http://2.bp.blogspot.com/-blVwYRAaGcI/VKWcd2kxxFI/AAAAAAAAAuA/lZUpOct3J1w/s320/20150101_001043_1024_0193.jpg
    Welcome to 2015!
    There were no fireworks on the Sun last night to welcome in the New...
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    Check Out the Flares

    Monica Bobra of Stanford University and Chau Dang of Scientific American published a blog article about flares seen by SDO. ...
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    Calibration Maneuvers on a Tuesday?

    http://4.bp.blogspot.com/-O8SX5JasGyw/VHTavJ2MlzI/AAAAAAAAAtg/lfg1MP5SL2k/s1600/20141125_154004_512_0171.jpg
    Today SDO did two calibration maneuvers. The EVE field of view started at 1315 UTC (8:15...
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    Another Lunar Transit, November 22, 2014

    SDO will experience the third lunar transit this year on November 22, 2014. Here is the FOT movie predicting what we will see during the transit.

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    EVE Cruciform Today

    The EVE cruciform is today starting at 1800 UTC. During this maneuver the spacecraft rocks back and forth, helping EVE to maintain an accurate calibration.

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