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Solar flares — September 17, 2001

September 17, 2001

Today

UTC+00
Home Solar flares September 17, 2001

Solar flares on September 17, 2001

The most powerful solar flare in 24 hours

M8.1 (strong) flare - September 17 at 3:50 PM

Solar activity index

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

Solar activity index

Solar X-ray emission over the past 2 days

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

Time zone — UTC+00

Solar flares
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List of solar flares for September 17, 2001

The total number of solar flares of class C and higher — 15 flares

C class — 11 | M class — 4 | X class — 0

Class begin max end region
M1.0 21:32 21:46 21:55 9608
M1.0 21:01 21:08 21:11 9616
C3.3 19:56 20:01 20:07 9608
C3.3 19:38 19:42 19:46
C4.8 19:06 19:10 19:17
M8.1 15:44 15:50 15:54 9608
C3.3 14:29 14:39 14:50
C3.6 12:43 12:53 12:59
C3.7 11:11 11:16 11:21
C7.0 09:26 09:41 09:48 9621
M1.5 08:18 08:25 08:34 9616
C3.6 06:47 06:53 07:00 9608
C4.4 05:42 05:46 05:49
C4.9 04:29 05:02 05:23
C3.9 02:04 02:07 02:10