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-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

Solar flares
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
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*since 1994

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