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Sunspot region AR11710

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/03/29 5 40 CAO S22E49
2013/03/30 7 70 CAO S21E34
2013/03/31 6 50 CAO S22E20
2013/04/01 7 10 BXO S22E07
2013/04/02 5 10 BXO S21W06
2013/04/03 9 120 DAO S22W18
2013/04/04 7 60 DAO S22W30
2013/04/05 6 50 DAO S21W44
BC
11

The top 2 solar flares from sunspot region 11710

Start Maximum End
1C1.242013/03/3010:1610:2410:32
2B6.832013/04/0200:4200:5401:12
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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

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