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Sunspot region AR13613

Number of
sunspots		 Size Class Magn. Class Spot Location
2024/03/16 7 70 CAO S25W18
2024/03/17 7 130 DAI S22W31
2024/03/18 8 110 DAI S22W44
2024/03/19 9 80 DAI S22W58
2024/03/20 5 60 DAO S22W71
2024/03/21 2 70 CAO S24W82
2024/03/22 2 70 CAO S24W96
C
1

The top 1 solar flares from sunspot region 13613

Start Maximum End
1C1.62024/03/1614:1114:1614:23
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Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/03M1.3
Last geomagnetic storm2026/04/02Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
April 2026141 +62.8
Last 30 days94.6 +27

This day in history*

Solar flares
12001X1.77
22017M8.35
31999M6.2
42001M3.57
52017M1.81
DstG
11979-168G4
21960-151G3
31992-105G2
42004-104G2
51994-103G3
*since 1994

Aurora on this day in history

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