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Thursday, June 20, 2024

Celebrate Solstice 2024 with a Solar Fireworks Show!

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Today is the Summer Solstice, the longest day in the Northern hemisphere and the shortest day in the Southern. That officially happens at 20...
Wednesday, April 10, 2024

Eclipse Day Transit was not as Exciting as the Total Solar Eclipse

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On April 8, 2024, people along a path from Mexico thru the USA and into Canada were treated to a total solar eclipse. SDO waited until much ...

Spring 2024 Calibration Maneuvers Begin Today

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Today SDO will execute the EVE Field of View (at 1315 UTC, 9:15 am ET) and the HMI/AIA Flatfield (at 1630 UTC, 12:30 pm ET) calibration mane...
Wednesday, March 27, 2024

Momentum Management Maneuver (Delta-H) #49 today

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SDO will execute Momentum Management Maneuver (Delta-H) #49 today. Between 1830 UTC (2:30 pm ET) and 1910 UTC (3:10 pm ET) science data may ...
Monday, February 5, 2024

09 April 2024 Lunar Transit (08 April for North America)

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On April 8, 2024, a large swath of North America will enjoy a Total Solar Eclipse from Mazatlán up through Texas to Maine and the Maritime P...
Wednesday, January 24, 2024

Station Keeping maneuver #28 today

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SDO will execute Station Keeping maneuver #28 today from 2315-2400 UTC (6:15-7:00 pm ET). During a maneuver SDO science data may be missing ...
Thursday, June 8, 2023

18 Jun 2023 Lunar Transit

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Between 0557--0612 UTC (01:57--02:12 ET) on 18 Jun 2023, SDO is experience a brief lunar transit. The Moon will cover about 3% of the Sun, b...