Sunspot region AR12400

Number of
sunspots
Size Class Magn. Class Spot Location
2015/08/12 4 10 BXO N17E36
2015/08/13 2 10 BXO N17E22
2015/08/14 7 50 DAO N17E07
2015/08/15 5 50 CAO N17W05
2015/08/16 5 30 CAO N18W18
2015/08/17 2 10 AXX N17W33
B
2

The top 2 solar flares from sunspot region 12400

Start Maximum End
1B8.042015/08/1310:3010:4511:00
2B6.572015/08/1116:5617:0017:09

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Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days137.7 +30.3

This day in history*

Solar flares
12001M1.01
22024C8.3
32024C7.7
42000C7.46
52023C7.1
ApG
11937128G4
2196960G3
3196084G3
4195664G3
5198561G3
*since 1994

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