Sunspot region AR8525

Number of
sunspots
Size Class Magn. Class Spot Location
1999/04/30 1 70 HSX N15E68
1999/05/01 10 200 FSO N16E62
1999/05/02 12 280 FSO N17E49
1999/05/03 16 290 FSO N17E34
1999/05/04 16 260 FSO N18E24
1999/05/05 19 210 FSO N18E10
1999/05/06 15 170 FSO N18W02
1999/05/07 11 160 CSO N18W16
1999/05/08 6 120 CSO N16W31
1999/05/09 1 150 HSX N17W49
1999/05/10 1 140 HSX N17W60
1999/05/11 1 110 HSX N16W74
1999/05/12 1 90 HSX N15W90
CM
31

The top 4 solar flares from sunspot region 8525

Start Maximum End
1M1.071999/05/0714:2314:3214:59
2C3.661999/04/2908:2508:2908:35
3C3.331999/05/0718:2818:3418:36
4C1.871999/05/0613:1913:3013:51

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Space weather facts

Last X-flare2026/02/01X1.0
Last M-flare2026/02/01M1.8
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
Last 30 days119 +4.2

This day in history*

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DstG
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*since 1994

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