Sunspot region AR11728

Number of
sunspots
Size Class Magn. Class Spot Location
2013/04/23 2 40 CSO N19E62
2013/04/24 1 60 HSX N19E48
2013/04/25 1 50 HSX N19E37
2013/04/26 2 60 HSX N19E24
2013/04/27 3 20 HRX N19E11
2013/04/28 1 20 HRX N19W02
2013/04/29 1 20 HRX N19W16
2013/04/30 1 20 HRX N19W30
2013/05/01 1 10 AXX N19W44
2013/05/02 1 10 AXX N19W58
2013/05/03 1 10 AXX N19W72
2013/05/04 2 10 BXO N20W85
2013/05/05 2 10 BXO N20W99

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Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/23M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024144.7 -21.7
Last 30 days158.6 +10.8

This day in history*

Solar flares
12000X3.4
22000X2.87
32000X2.71
41998X1.54
51999M4.33
DstG
12001-221G4
21982-197G3
31986-86G2
41981-66
51991-65
*since 1994

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