Sunspot region AR11870

Number of
sunspots
Size Class Magn. Class Spot Location
2013/10/15 3 30 CRO S13W06
2013/10/16 8 20 CRO S14W21
2013/10/17 2 10 BXO S13W35
2013/10/18 1 10 AXX S13W49
2013/10/19 3 30 CAO S15W58
2013/10/20 3 10 BXO S15W72
C
1

The top 1 solar flares from sunspot region 11870

Start Maximum End
1C2.622013/10/1615:0315:2015:34

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Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/22M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024103.3 -49.2
Last 30 days115.4 -40.8

This day in history*

Solar flares
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
11982-101G3
22014-71G1
32001-59
41987-59
51989-58G1
*since 1994

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