Sunspot region AR12901

Number of
sunspots
Size Class Magn. Class Spot Location
2021/11/28 1 20 HSX N17E64
2021/11/29 1 30 HSX N16E50
2021/11/30 1 10 AXX N15E36
2021/12/04 2 10 BXO N21W19

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.4
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025147 -7.6
Last 30 days128.8 -21.8

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

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