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    EVE Cruciform today

    SDO will perform an EVE cruciform maneuver today. From 1700-2152 UTC (1:00 p.m.-5:52 p.m. ET), SDO will rock up and down and back and forth as a calibration maneuver. During this time the AIA and HMI...
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    Momentum Management Maneuver Today

    SDO will perform momentum management maneuver #26 today from 1945-2000 UTC (3:45-4:00 p.m. ET) today. Science data is not returned during the maneuver.

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  3. Thread: HMI Roll Today

    by SDO
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    HMI Roll Today

    We are starting the July maneuver season. Today is the HMI roll maneuver from 1500-2000 UTC (11 am ET to 4 pm ET). During the roll the Sun will appear to flip in the NRT data. This data is used to...
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    Telstar 401, A Ghost of Space Weather Past

    https://1.bp.blogspot.com/-CvufH8EYxtU/V22Ez2_P8sI/AAAAAAAAA64/nkiSrCxtLtcX0zpcY4lX5KjC4okSfebiACLcB/s320/telstar-401__1.jpg
    Earlier the week we received our conjunction report that lists satellites...
  5. Celebrate the Summer Solstice with Cool Pictures of the Mercury Transit!

    Today at 2234 UTC (6:34 pm ET) is the summer solstice for 2016. It's also a full moon today, the first time the summer solstice and full moon have coincided since 1967. Enjoy the longest daytime of...
  6. Thread: HMI has stopped

    by SDO
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    HMI has stopped

    HMI has thrown an error. The HMI operations team is working to bring the instrument back online. No data will be available until the instrument is fixed.

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    EVE Calibration Rocket Flies Above New Mexico

    On Wednesday, June 1, 2016, the EVE calibration rocket flew high above the New Mexican desert. The instruments all returned good data and the payload was recovered for another flight in a couple of...
  8. A Few Stories About the Transit of Mercury on Monday

    https://4.bp.blogspot.com/-Uz7EYzpupm8/VzMgjwlox-I/AAAAAAAAA54/lszHB7hduLgrXSz8ZSQqX-7VKBKypFIJwCLcB/s320/2016_mercury_transit_composite_sdo.jpg
    On May 9, 2016, Mercury passed directly between the...
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    My Favorite View of the Mercury Transit

    I am glad so many people could watch the Mercury transit yesterday, with SDO and from the ground. People around the world were watching the transit along with SDO! Here is my favorite view of the...
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    Mercury has left the Sun

    Mercury has moved off the Sun but can still be seen against the corona.

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    Mercury is Approaching 3rd Contact

    Mercury is nearing the far edge of the Sun, or 3rd contact. It will pass over a nice prominence!

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    Half Way Through the Transit

    The network seems less overwhelmed now. Here is a movie from the 1600 channel showing Mercury up to mid-transit.

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    Thanks for Your Interest!

    We are being overwhelmed by requests for images of the Mercury transit. We are working to speed up the network access and send the data smoothly to your browser.

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    The Mercury Transit is Tomorrow!

    https://1.bp.blogspot.com/-TS5lHsyY-aY/Vy9R1G61tPI/AAAAAAAAA5k/Pn-Vo14tYyswGQJIBnsC4YyE6e6rL_FjQCLcB/s320/stripe_test_mercury_transit_02.png
    Tomorrow at 1030 UTC (6:30 a.m. ET) we will begin...
  15. Why is Mercury Bright in Some Images During the Transit?

    During watching the transit of Mercury across the Sun on May 9, 2016, at http://mercurytransit.gsfc.nasa.gov we will sometimes see that Mercury is not black but glows a little. We also saw this...
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    Mercury Transit in 8 Days!

    https://4.bp.blogspot.com/-Z6NECJmWy_0/VyUwGrKEGkI/AAAAAAAAA4o/7FldtE72aVI9pGABVM2iuVWkFUgjNgJdgCLcB/s320/stripe_test_mercury_transit_02.png
    For about 9 hours starting at 1030 UTC (6:30 a.m. ET) on...
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    April Showers Bring May Scholars

    During April 2016 we celebrated the entry of four Ph. D.'s into the research community. A record number of four graduate students received their Ph.D.s in April 2016 for research that used SDO data....
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    Momentum Management Maneuver #25

    SDO successfully executed momentum management maneuver #25 on Wednesday. Between 1815 and 1845 UTC (2:25 and 2:45 p.m. ET) science data may be missing or blurred.
    Next Wednesday, the EVE Cruciform!...
  19. Thread: Maneuvers Today

    by SDO
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    Maneuvers Today

    SDO will perform the EVE Cruciform and HMI/AIA Flatfield maneuvers today starting at 1315 UTC (9:15 am ET) and lasting until 1900 UTC (3:00 pm ET). During the maneuvers the SDO images may be smeared...
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    Mercury Transit on May 9, 2016

    https://1.bp.blogspot.com/-RwYklFWWL0g/VwqIvnsEE9I/AAAAAAAAA4M/Fc8Hm8Ejz5ENQZqxX6ZVu3wNPcRQkSEjw/s320/stripe_test_mercury_transit_01.png
    Between 1120 and 1845 UTC (7:20 am and 2:45 pm ET) on May 9,...
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