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Sunspot region AR12280

Number of
sunspots		 Size Class Magn. Class Spot Location
2015/02/03 6 20 BXO S09E55
2015/02/04 10 80 DAI S06E42
2015/02/05 7 150 DAC S08E30
2015/02/06 9 140 DAC S08E15
2015/02/07 16 160 DAC S07E01
2015/02/08 19 180 DAC S08W13
2015/02/09 28 210 DAC S07W25
2015/02/10 16 260 EKC S07W40
2015/02/11 17 300 EKC S07W53
2015/02/12 16 240 DAC S07W66
2015/02/13 3 140 CSO S06W81
2015/02/14 2 30 CSO S09W95
2015/02/15 2 30 CSO S09W0*
CM
151

The top 10 solar flares from sunspot region 12280

Start Maximum End
1M1.192015/02/1001:5802:0202:07
2C8.652015/02/1202:0302:1202:17
3C4.522015/02/0918:2219:1019:20
4C4.392015/02/1003:1103:2403:51
5C4.322015/02/0418:4319:1219:37
6C3.882015/02/0309:4209:4709:56
7C3.692015/02/0810:3211:0011:16
8C32015/02/0901:2601:4802:02
9C2.752015/02/0712:1812:2212:25
10C2.682015/02/0922:3622:4022:45
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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 202686.6 +8.4
Last 30 days86.6 +11.2

This day in history*

Solar flares
12026X1.4
22022X1.38
32024M9.4
42024M9.3
52023M5.41
DstG
11990-187G4
21957-107G2
31979-104G1
41989-103G3
51988-88G2
*since 1994

Aurora on this day in history

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