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-flare2024/10/31X2.0
Last M-flare2024/11/05M2.6
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2024141.4 -74.1
November 2024215.8 +74.4
Last 30 days161.1 +7.2

This day in history*

Solar flares
12013X4.93
21998X1.21
32014X1.14
42003M7.6
52004M5.72
DstG
12023-172G3
21991-92G2
31986-74G1
41959-73G1
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*since 1994

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