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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...
  2. 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...
  5. 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.

    More...
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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.

    More...
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    It's Coming Around Again!

    Active Region 12192, which was the location of 6 X-class and several M-class flares in late October, is coming back for an encore. Here is a movie of the Sun showing the magnetic field on the side...
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    Repairs are Complete, JSOC is Live!

    The fiber optics cable is repaired and data is flowing to the JSOC. It's good to see the Sun!

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    JSOC Images Unavailable

    http://1.bp.blogspot.com/-sADJlH7vMxs/VFpuG9khl6I/AAAAAAAAAtQ/K1ji8X2L0L8/s320/Images_Unavailable.png
    The SDO JSOC is recovering from an internal disruption and images are unavailable. This outage...
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    Happy Halloween from Olde Sol

    http://1.bp.blogspot.com/-1Kq06PFq21g/VFOHyfyfqII/AAAAAAAAAtA/_8euBL03kcQ/s400/halloween-sun.jpg
    Just in time for Halloween, AIA sees a Jack O'Lantern in the Sun!

    More...
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    What an Active Region!

    http://3.bp.blogspot.com/-Ut9F4urQpkU/VE63sPJrTqI/AAAAAAAAAso/x1ola71HWhM/s320/20141023_161500_4096_HMIIC.jpg
    What an active region 12192 has been! Seven X-class flares in 9 days. Here is an HMI...
  17. Thread: It's Flare Season!

    by SDO
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    It's Flare Season!

    http://3.bp.blogspot.com/-r8gDgzkQYBY/VEf0rwluOrI/AAAAAAAAAsY/pmdDh073viw/s320/20141022_144210_1024_HMII.jpg
    Active Region 12192 has grown to 2410 millionths of a solar hemisphere (0.2410 % of one...
  18. Fall 2014 Eclipse Season Ends; Lunar Transit is Next

    http://1.bp.blogspot.com/-ildnY2hbr-w/VCFuPWMUAdI/AAAAAAAAAr4/QC5RQLdaohc/s320/20140922_061401_512_0211.jpg
    Yesterday saw the end of the Fall 2014 eclipse season. If you look carefully in the upper...
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    Stationkeeping Burn #9 and an X1.6 Flare

    Stationkeeping burn #9 will happen today (September 10, 2014) at 2215 UTC (6:15 p.m. ET). SDO data will be unavailable for about 30 minutes starting 2200 UTC (6:00 p.m. ET). This burn was delayed...
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    View Post

    http://1.bp.blogspot.com/-l9smDX05nyY/VAOS4NGJF8I/AAAAAAAAArg/BwiDmih98w4/s320/Screen%2BShot%2B2014-08-31%2Bat%2B4.25.04%2BPM.png

    Here is an illustration of a rocket flight from the surface of...
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