Sunspot region AR9578

Number of
sunspots
Size Class Magn. Class Spot Location
2001/08/13 8 30 CAO S10W11
2001/08/14 8 60 DAO S09W25
2001/08/15 7 40 CSO S08W38
2001/08/16 4 20 CSO S08W53
2001/08/17 1 60 AXX S10W65

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/05/12M1.9
Last geomagnetic storm2025/05/03Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2025140.6 +6.4
May 202576.7 -63.9
Last 30 days100.9 -32

This day in history*

Solar flares
12013X4.11
22013X2.51
32005X1.15
42024M6.6
52001M5.19
DstG
12024-102G2
21992-87G1
32015-82G2
41958-58G2
51959-58
*since 1994

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