Sunspot region AR11374

Number of
sunspots
Size Class Magn. Class Spot Location
2011/12/09 2 150 CSO S16E68
2011/12/10 2 160 HSX S17E54
2011/12/11 2 140 HSX S17E41
2011/12/12 9 210 DSO S17E29
2011/12/13 6 150 DSO S17E15
2011/12/14 7 140 CAO S18E01
2011/12/15 4 120 DSO S18W11
2011/12/16 5 160 DSO S18W25
2011/12/17 4 100 DSO S18W37
2011/12/18 4 100 CAO S18W50
2011/12/19 1 80 HSX S18W63
2011/12/20 1 70 HSX S18W76
2011/12/21 1 50 HSX S19W90
C
6

The top 6 solar flares from sunspot region 11374

Start Maximum End
1C4.532011/12/0913:0513:2013:31
2C2.322011/12/1123:5700:0200:07
3C1.782011/12/1208:3008:3708:47
4C1.462011/12/0800:0500:1000:18
5C1.462011/12/1023:0023:0423:08
6C1.222011/12/1103:2003:2303:27

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Last X-flare2026/02/04X4.3
Last M-flare2026/02/05M1.3
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
February 2026141.3 +17.3
Last 30 days123.1 +14.7

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