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  1. Thread: This Week in SDO

    by SDO
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    This Week in SDO

    On July 9 SDO did the EVE FOV and HMI/AIA Flatfield maneuvers. You may have seen the images from AIA wiggle and blur during these maneuvers. This is a normal part of running a solar observatory in a...
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    What Is a Magnetic Field?

    Recently I was working at the City Skies Solar Workshop at the Franklin Institute. This program brings middle school teachers and community center leaders together to provide STEM activities at the...
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    @NASA_SDO Won't Tweet Anymore

    The @NASA_SDO and @NASA_SDO_EDU Twitter feeds are changing. The main feed, @NASA_SDO, has ended and traffic will be redirected to @NASASunEarth. The teacher feed, @NASA_SDO_EDU, is now being handled...
  4. Another Double Whammy from Active Region 12087!

    http://1.bp.blogspot.com/--DJ6GWphLnU/U5hEbNGx0kI/AAAAAAAAAqI/E1pxvpLDHAk/s320/20140611_091426_1024_0094.jpg
    Active Region 12087 rotated into view yesterday and produced 2 X-class flares. This...
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    Great Day in the Mornin', A Double X-flare

    This morning a new active region rotated into view on the solar disk and promptly emitted two X-class flares. Here is a movie of the first flare in the AIA 1600 passband. It peaked in the NOAA X-ray...
  6. Dr. Thomas Duvall, Jr., wins the 2014 AAS/SPD Hale Prize

    http://2.bp.blogspot.com/-gwkuKuSjMes/U425y_8O6EI/AAAAAAAAAp0/UKoMK6fQIg8/s320/IMG_0359.jpg
    Last night the Solar Physics Division of the American Astronomical Society awarded their highest honor to...
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    EVE MEGS-A and SAM have been Turned Off

    I am very sad to say that SDO has decided to turn off EVE MEGS-A and EVE SAM. The EVE MEGS-A/SAM instrument has had a failure in the CCD electronics. The EVE team is looking at ways to start them...
  8. X-class Solar Flares from Space and the Ground!

    Wondering what else we need to know to understand X-class solar flares? Join SDO and others on a Google+ Hangout today at 2:30 pm ET. We will describe an X1 flare that happened 29-Mar-2014. It was...
  9. Thread: Today's Maneuvers

    by SDO
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    Today's Maneuvers

    Today, 23-Apr-2014, SDO will perform two maneuvers. First up is the EVE Field of View, starting at 1315 UTC (9:15 am ET). Second is the HMI/AIA Flatfield, starting at 1630 UTC (12:30 pm ET). During...
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    An Astronomical Picture of SDO

    http://2.bp.blogspot.com/-kvBsnnyduA0/U1Vf32ATkHI/AAAAAAAAAoc/VoPFApJ25KE/s640/geo.29Mar2014.ID.cp.jpg

    One of the cool thing about knowing astronomers is the clever things they do with cameras....
  11. Thread: HMI Roll Tonight

    by SDO
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    HMI Roll Tonight

    Tonight, April 9, 2014, from 0519-1200 UTC (1:19 am - 8:00 am ET). SDO will execute the HMI Roll maneuver. The spacecraft will spin 360 degrees about the line to the Sun center. It stops along the...
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    EVE Cruciform on April 2, 2014

    http://4.bp.blogspot.com/-PMRhy-IAHhw/Uz1sELtgGKI/AAAAAAAAAoA/yydeOyWVpxw/s320/20140402_212404_512_0171.jpg
    Yesterday, between 1730 and 2230 UTC (1:30 pm to 6:30 pm ET) SDO did the EVE cruciform...
  13. X-1 Flare Yesterday with a Nice Coronal Dimming

    The X-1 flare on Saturday produced a very nice example of coronal dimming. Here is a short movie showing five hours of the Sun in the AIA 193 passband. After the flare happens in the upper right...
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    Momentum Management Maneuver Today

    Today at 1840 UTC (2:40 pm ET) SDO will execute a momentum management maneuver. For about 45 minutes from 1815 to 1900 UTC SDO data may be unavailable.



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    SDO on the Astronomy Picture of the Day

    http://4.bp.blogspot.com/-CfSHu4PftZw/UyBQKsouTsI/AAAAAAAAAmw/QVdM6BW-4dM/s320/Screen+shot+2014-03-12+at+8.16.02+AM.png
    An very nice animation of SDO images for the month of January 2014 is featured...
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    Stationkeeping Maneuver Today

    Today at 2035 UTC (5:35 pm ET) SDO will execute a stationkeeping maneuver. For about 45 minutes from 2015 to 2100 UTC SDO data will be unavailable.



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    2014 Spring Eclipse Season has Begun

    http://1.bp.blogspot.com/-6V5BFaz_RJ0/Uw-t-YOjAfI/AAAAAAAAAmg/ilomieQnQYk/s320/20140227_072943_1024_0193.jpg
    The SDO 2014 Spring Eclipse Season has begun! For the next 3 weeks the Earth will pass...
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    Whoa, an X4.9 Flare!

    http://2.bp.blogspot.com/-JINMOkxR2iQ/UwyN-9V-3YI/AAAAAAAAAmQ/JyJgN1fEo0c/s320/20140225_004702_1024_0094.jpg
    This morning the Sun released an X4.9 flare from AR 11990 at 13 S, 78 E on the solar...
  19. Thread: Solar Max Geek Out

    by SDO
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    Solar Max Geek Out

    http://4.bp.blogspot.com/-PnQCV9f-ES0/UwuqswLTUtI/AAAAAAAAAmA/66IwHEgmFvA/s400/EVE_strip.png
    When I think about solar maximum it isn’t just sunspot number. I think about how bright the Sun has...
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    A New Room for the SDO Website Server

    This morning we are moving the computers that host the SDO website into a new server room at Goddard. The website will be offline for about 1 hour starting at 1500 UTC (10 am ET). The EVE Field of...
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