Sunspot region AR12847

Number of
sunspots
Size Class Magn. Class Spot Location
2021/07/20 3 20 CRO S29E74
2021/07/21 3 20 CRO S27E61
2021/07/22 1 40 HRX S28E47
2021/07/23 1 20 HRX S28E28
2021/07/24 1 10 HRX S27E24
2021/07/25 1 0 AXX S27E13
2021/07/26 1 10 AXX S28W00
2021/07/27 1 0 AXX S28W14
2021/07/28 1 0 AXX S28W28
B
2

The top 2 solar flares from sunspot region 12847

Start Maximum End
1B5.92021/07/2110:5311:0011:07
2B3.42021/07/2102:0002:0902:15

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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 days156.1 +4.7

This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
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*since 1994

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