Viewing archive of Tuesday, 4 October 2005

Sunspot numberNew regionsBackground fluxMaximum flux
15 151 1B1.6B8.47

Solar flares

RegionStartMaximumEnd
-B7.2 05:3206:2206:55
-B8.4 06:4606:4906:52
-B6.4 09:0209:1409:18
-B8.4 09:4309:5009:52
-B5.4 19:2319:2719:32
-B8.4 21:3721:5822:11

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/08/05Kp5 (G1)
Number of spotless days in 2019:161
Current stretch spotless days:16

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