SpaceWeather

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http://www.spaceweather.com/

Solar wind

speed: 413.3 km/sec

density: 0.1 protons/cm[sup]3[/sup]

explanation | more data

Updated: Today at 2337 UT

X-ray Solar Flares

6-hr max: B2 1758 UT Aug23

24-hr: B3 0315 UT Aug23

explanation | more data

Updated: Today at: 2300 UT





CORONAL HOLE: A dark hole in the sun's atmosphere--a coronal hole--is turning toward Earth. NASA's Solar Dynamics Observatory captured this image of the gaseous chasm, which measures more than 200,000 km from end to end, during the early hours of August 23rd:

http://www.spaceweather.com/

 

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Also:

Space Weather Prediction Center

National Oceanic and Atmospheric Administration

http://www.swpc.noaa.gov/