Sunspot region AR11072

Number of
sunspots
Size Class Magn. Class Spot Location
2010/05/22 5 30 BXO S16E14
2010/05/23 10 100 CAO S16E08
2010/05/24 13 130 DSI S15W09
2010/05/25 7 90 CSO S15W22
2010/05/26 6 60 CSO S15W36
2010/05/27 1 50 HSX S23W52
2010/05/28 1 40 HSX S15W65
2010/05/29 2 45 HAX S15W79
B
4

The top 4 solar flares from sunspot region 11072

Start Maximum End
1B9.112010/05/2515:4615:5115:55
2B1.842010/05/2723:0023:1523:25
3B1.772010/05/2305:0905:1505:21
4B1.592010/05/2221:3921:4721:52

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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
March 202685.9 +7.7
April 2026141 +55.1
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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