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Solar flares — September 21, 2013

September 21, 2013

Today

UTC+00
Home Solar flares September 21, 2013

Solar flares on September 21, 2013

The most powerful solar flare in 24 hours

C3.0 (normal) flare - September 21 at 9:24 AM

Solar activity index

Value as of the end of the day on September 21, 2013

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from September 20, 2013 to September 21, 2013

Time zone — UTC+00

Solar flares
PNG API: JSON | TXT

List of solar flares for September 21, 2013

The total number of solar flares of class C and higher — 2 flares

C class — 2 | M class — 0 | X class — 0

Class begin max end region
C3.0 08:38 09:24 09:32
C1.0 01:39 01:45 01:52 1850