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Solar flares — December 17, 2001

December 17, 2001

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Solar flares on December 17, 2001

The most powerful solar flare in 24 hours

C4.8 (normal) flare - December 17 at 11:54 PM

Solar activity index

Value as of the end of the day on December 17, 2001

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from December 16, 2001 to December 17, 2001

Time zone — UTC-08 (Kamloops)

Solar flares
PNG API: JSON | TXT

List of solar flares for December 17, 2001

The total number of solar flares of class C and higher — 4 flares

C class — 4 | M class — 0 | X class — 0

Class begin max end region
C4.8 23:49 23:54 00:07 9733
C1.6 23:32 23:36 23:42
C3.0 20:39 20:44 20:49 9733
C1.4 05:42 05:45 05:49