Sunspot region AR13391

Number of
sunspots
Size Class Magn. Class Spot Location
2023/07/29 1 30 HSX N25E75
2023/07/30 1 50 HSX N25E66
2023/07/31 2 130 HSX N25E49
2023/08/01 1 50 HSX N23E35
2023/08/02 2 80 CSO N24E26
2023/08/03 1 90 HSX N22E11
2023/08/04 2 90 HSX N24W02
2023/08/05 1 80 HSX N24W13
2023/08/06 1 80 HSX N23W27
2023/08/07 1 50 HSX N23W40
2023/08/08 1 40 HAX N23W53
2023/08/09 1 70 HSX N23W67
2023/08/10 1 40 HSX N21W78
2023/08/11 1 30 HSX N22W88
2023/08/12 1 30 HSX N22W0*

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Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/03/18M2.7
Last geomagnetic storm2026/03/22Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (4%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202677 -1.2
Last 30 days68.9 -24

This day in history*

Solar flares
12024X1.12
22024M5.2
32024M3.8
42024M3.8
51998M3.17
DstG
11969-164G4
22023-125G3
31989-106G2
41966-98G3
52024-79G2
*since 1994

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