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Sunspot region AR13621

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/03/23 4 20 CRO N17W38
2024/03/24 3 20 CSO N17W51
2024/03/25 5 40 CSO N17W70
2024/03/26 3 30 CSO N15W78
2024/03/27 3 30 CSO N15W94
2024/03/28 3 30 CSO N15W0*
C
2

The top 2 solar flares from sunspot region 13621

Start Maximum End
1C5.02024/03/2512:0012:1012:15
2C2.72024/03/2522:5723:1023:26
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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026107.7 +21.8
Last 30 days100 +44.8

This day in history*

Solar flares
12013M9.34
22024M5.47
32001M3.41
42000M1.63
52000M1.5
DstG
12001-271G4
21990-190G3
31978-114G4
41982-110G2
51959-88G1
*since 1994

Aurora on this day in history

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