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Tuesday, December 21, 2021

Celebrate the Winter Solstice at 11:59 am ET today!

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Today is the Winter Solstice. The length of daylight is the shortest of the year in the Northen hemisphere and the longest in the Southern. ...

Momentum Management Maneuver #42, December 15

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SDO executed momentum management (MM) maneuver #42 on December 15 from 1945-2015 UTC (2:45-3:15 pm ET). During an MM maneuver SDO science da...
Thursday, October 28, 2021

X-class flare at 1555 UTC (11:55 am ET)

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Active region 12887 emitted an X-class flare today at 1555 UTC. There also appears to be a filament eruption (the precursor to a coronal mas...
Wednesday, October 27, 2021

October 2021 Instrument Calibration Maneuvers have Finished

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The October 2021 Instrument Calibration maneuvers have finished. During an instrument calibration maneuver SDO science data may be missing, ...
Wednesday, September 22, 2021

Momentum Management Maneuver #41 today

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SDO will execute momentum management (MM) maneuver #41 today from 1820-1840 UTC (2:20-2:40 pm ET). During an MM maneuver SDO science data ma...
Friday, September 10, 2021

Congratulations to the EVE Team!

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NASA 36.353 sounding rocket flight to calibrate SDO EVE and several other satellite instruments was a great success. Hre's the proof, ex...
Thursday, September 9, 2021

EVE Calibration Rocket Flies over WSMR Today

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Today the EVE Calibration Rocket will fly above White Sands Missile Range (WSMR) near Las Cruces, NM. The launch window opens at 11:25 am MT...