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  1. 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...
  2. 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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    HMI Roll Maneuver Today

    SDO will perform a roll maneuver today starting at 1630 UTC (12:30 pm ET). The Sun may appear to rotate in images taken during this maneuver. The roll angle will be removed in the science data.

    ...
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    More Calibration Maneuvers

    Today SDO will perform the EVE Field of View maneuver at 1315 UTC (9:15 a.m. ET) and the HMI/AIA Flatfield maneuver starting at 1630 UTC (2:20 p.m. ET. While the maneuvers are running the SDO science...
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    EVE Cruciform Tomorrow; An SDO Cover Story

    Tomorrow, July 1, 2015, SDO will perform an EVE cruciform calibration material. From 1800-2230 UTC (2:00-6:30 p.m. ET), SDO will look to and fro and up and down to allow EVE scientists to keep track...
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    Temporary Data Outage

    The SDO data system is undergoing an upgrade today, and there will be no images available until the upgrade is completed. We're very sorry for any inconvenience.


    More...
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    A Flare, A CME, A Storm!

    http://4.bp.blogspot.com/-hz8nK4H-pjM/VYlXSFkOwyI/AAAAAAAAAyE/7DxD3aXILS8/s320/iswa_download.png
    Yesterday wee saw an M6.5 flare from active region 12372 followed by a filament liftoff, which turned...
  12. SDO/EVE Calibration Rocket Did Not Follow Planned Trajectory

    The SDO EVE calibration rocket was cut down by range safety about 16 seconds after launch. The rocket did not fly the planned trajectory and was cut down when it appeared that it could fly out of the...
  13. Launching a Sounding Rocket to Help Calibrate NASA's SDO

    Tomorrow at high noon Mountain Time, the SDO EVE calibration sounding rocket will launch from White Sands Missile Range in New Mexico. It is only 15 minutes of flight with 5 minutes of solar viewing,...
  14. Thread: DDS offline

    by SDO
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    DDS offline

    The SDO DDS went offline at about 2247 UTC (6:47 p.m. ET). The SDO Flight Operations Team is looking into the outage.



    More...
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    IRU Calibration Maneuver is Complete

    Today's IRU calibration Maneuver has finished. Here is a short movie showing what SDO did. We first pointed the high-gain antennas away from the Earth (that's why we didn't receive any science data)....
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    IRU Calibration Maneuver

    SDO will perform an IRU Calibration maneuver on May 13, 2015 from 0400 UTC (Midnight) to 1200 UTC (8 a.m. ET). The spacecraft will perform a series of roll, pitch, and yaw maneuvers designed to...
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    Momentum Management Maneuver #22 Complete

    SDO executed Momentum Management Maneuver #22 today at 1815 UTC (2:15 pm ET). We used 48.8 gr (1.72 oz) of propellant to change the reaction wheel speeds to the desired rotation rates. Science data...
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    SDO 171 and 304 images get brighter

    We've adjusted the settings on the AIA 171 ┼ (yellow) and 304 ┼ (orange) images - the Sun isn't getting brighter, the settings have been changed so features show up better. The image below shows the...
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    Happy 5th Birthday to SDO Science Data!

    Today is the 5th birthday of SDO Science Data. On May 1, 2010, SDO was commissioned as a NASA observatory and began sending science data to scientists and the public. We have watched Solar Cycle 24...
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    Spring Maneuvers and Beakman

    SDO has performed maneuvers the past two Wednesdays. The EVE cruciform on April 8 and the field of view rasters on April 15.

    Today SDO was featured in Beakman Jax in the Washington Post and...
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