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Solar flares — December 11, 2001

December 11, 2001

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Solar flares on December 11, 2001

The most powerful solar flare in 24 hours

X2.8 (very strong) flare - December 11 at 3:08 AM

Solar activity index

Value as of the end of the day on December 11, 2001

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from December 10, 2001 to December 11, 2001

Time zone — UTC-05 (Dover)

Solar flares
PNG API: JSON | TXT

List of solar flares for December 11, 2001

The total number of solar flares of class C and higher — 6 flares

C class — 4 | M class — 1 | X class — 1

Class begin max end region
C5.6 23:48 23:56 00:02 9736
C3.4 22:36 22:50 23:04 9727
C3.4 13:54 14:01 14:08
M1.3 09:42 09:51 09:57 9727
C4.6 05:06 05:19 05:29
X2.8 02:58 03:08 03:14 9733