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Sunspot region AR12511

Number of
sunspots		 Size Class Magn. Class Spot Location
2016/03/03 3 10 BXO N05E57
2016/03/09 5 10 BXO N02W36
2016/03/10 2 20 CAO N03W50
2016/03/11 2 20 HRX N03W66
2016/03/12 2 10 AXX N02W79
BC
22

The top 4 solar flares from sunspot region 12511

Start Maximum End
1C2.232016/03/0813:0313:0613:08
2C1.152016/03/0813:0913:1213:14
3B9.782016/03/0818:1218:1618:22
4B4.862016/03/1102:1102:1602:20
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Incoming & Unnumbered Active Regions 315AR4433 1Current Farside Activity 475AR4429 4Filaments and prominences 550
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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/04/28M1.11
Last geomagnetic storm2026/04/20Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (2%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
April 202679.3 -6.6
May 2026145.5 +66.2
Last 30 days91 -4.3

This day in history*

Solar flares
12024X1.6
22022X1.1
32013M8.19
42023M7.2
51999M6.41
DstG
11967-123G3
21978-114G3
31976-107G4
41994-79G2
51977-77G1
*since 1994

Aurora on this day in history

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