Viewing archive of Thursday, 21 October 1999

Sunspot numberNew regionsBackground fluxMaximum fluxC
154 -390 -2B8.0C6.1911

Solar flares

RegionStartMaximumEnd
-C3.0 03:5604:1704:33
8737C1.9 06:2006:2506:30
8732C2.3 08:4108:5209:07
8739C2.1 10:0110:1110:15
-C1.8 12:2612:3412:45
-C3.5 13:3013:4513:55
8732C2.3 14:4614:5415:07
8739C2.3 18:5519:0219:05
-C4.1 19:0619:1019:20
-C3.0 19:2119:2619:36
-C6.1 19:5319:5519:57

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