Sunspot region AR11846

Number of
sunspots
Size Class Magn. Class Spot Location
2013/09/18 1 50 HAX S16E77
2013/09/19 1 160 HSX S17E62
2013/09/20 2 180 CSO S16E49
2013/09/21 4 160 CSO S17E36
2013/09/22 5 210 CSO S17E25
2013/09/23 1 140 HSX S18E10
2013/09/24 1 150 HSX S18W04
2013/09/25 1 150 HSX S18W18
2013/09/26 1 160 HSX S17W31
2013/09/27 1 130 HSX S18W44
2013/09/28 1 120 HSX S17W56
2013/09/29 1 150 HSX S17W70
2013/09/30 1 100 HSX S17W84
2013/10/01 1 100 HSX S17W98
BC
22

The top 4 solar flares from sunspot region 11846

Start Maximum End
1C5.612013/09/1802:5303:1503:26
2C1.572013/09/2422:5022:5623:03
3B6.812013/09/1814:3214:4314:48
4B6.322013/09/2321:4421:5422:07

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Last X-flare2026/01/18X1.9
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Last geomagnetic storm2026/01/22Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026117.9 -6.1
Last 30 days121.4 +11.9

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