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Solar flares — October 18, 2003

October 18, 2003

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Solar flares on October 18, 2003

The most powerful solar flare in 24 hours

M1.9 (strong) flare - October 18 at 10:26 PM

Solar activity index

Value as of the end of the day on October 18, 2003

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from October 17, 2003 to October 18, 2003

Time zone — UTC-08 (Anchorage) — summer time

Solar flares
PNG API: JSON | TXT

List of solar flares for October 18, 2003

The total number of solar flares of class C and higher — 9 flares

C class — 8 | M class — 1 | X class — 0

Class begin max end region
M1.9 22:08 22:26 22:41 484
C6.5 14:14 14:18 14:20 484
C2.3 13:25 13:29 13:33 484
C3.3 12:26 12:41 12:50 484
C3.0 10:36 11:08 11:14 484
C2.6 09:06 09:15 09:30 484
C4.9 08:28 08:53 08:58 484
C3.3 06:48 07:22 07:31 484
C3.3 00:49 01:00 01:04 484