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Sunspot region AR11809

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/07/31 1 60 HSX N14E79
2013/08/01 4 120 CSO N12E65
2013/08/02 3 160 DSO N12E52
2013/08/03 8 160 CAO N13E40
2013/08/04 13 110 CAO N13E27
2013/08/05 10 80 CAO N12E14
2013/08/06 9 80 CSO N12E02
2013/08/07 11 60 CSO N13W09
2013/08/08 10 60 CSO N13W21
2013/08/09 3 30 HSX N11W40
2013/08/10 1 30 HAX N11W53
2013/08/11 2 20 HRX N10W67
2013/08/12 1 10 HRX N11W82
2013/08/13 1 10 AXX N14W95
2013/08/14 1 10 AXX N14W0*
BC
211

The top 10 solar flares from sunspot region 11809

Start Maximum End
1C7.092013/08/1400:2200:3100:35
2C6.562013/08/1318:4618:5018:52
3C6.252013/08/1321:3121:3821:43
4C4.442013/07/3022:0322:1922:33
5C4.022013/08/1311:3511:4611:52
6C2.642013/08/1316:4917:0117:06
7C2.172013/07/3104:2605:1805:44
8C2.142013/08/1402:0302:0902:17
9C1.512013/08/1305:0405:1705:21
10C1.322013/08/1316:4016:4316:46
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Space weather facts

Last X-flare2026/03/30X1.4
Last M-flare2026/03/28M1.3
Last geomagnetic storm2026/03/25Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202688.4 +10.2
Last 30 days88.4 +14.9

This day in history*

Solar flares
12022M9.67
22000M5.89
32001M3.06
42000M2.9
52000M2.71
DstG
12001-387G4
21960-191G4
31989-100G2
41990-88
52003-78G2
*since 1994

Aurora on this day in history

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