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Sunspot region AR8569

Number of
sunspots
Size Class Magn. Class Spot Location
1999/06/05 2 60 CAO N18E73
1999/06/06 5 100 CAO N21E59
1999/06/07 8 90 CSO N18E47
1999/06/08 9 120 CAO N18E35
1999/06/09 6 80 ESO N18E20
1999/06/10 14 130 EAO N19E06
1999/06/11 29 220 EAI N19W07
1999/06/12 38 260 FAC N19W20
1999/06/13 40 310 FAI N20W32
1999/06/14 29 360 EKI N19W45
1999/06/15 21 370 EAC N19W59
1999/06/16 12 230 EAI N19W72
1999/06/17 5 80 CSO N18W85
C
9

The top 9 solar flares from sunspot region 8569

Start Maximum End
1C7.711999/06/1700:2200:3600:50
2C5.641999/06/1118:0818:1818:30
3C3.491999/06/1313:0613:1113:15
4C3.41999/06/1307:3907:4307:45
5C2.111999/06/1316:4416:5717:06
6C2.071999/06/1403:0203:3104:11
7C1.941999/06/1121:3321:3621:39
8C1.511999/06/1201:0301:0601:10
9C1.31999/06/1001:1201:1901:26

S1 - Minor solar radiation storm

Minor impacts on HF radio through polar regions

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Latest alerts

07:15 UTC - 10cm Radio Burst

Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu


07:06 UTC - Solar flare

Strong M5.61 flare

alert


06:48 UTC - Radio Blackout

Moderate R2 radio blackout in progress (≥M5 - current: M5.36)


06:45 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.7)


02:15 UTC - Solar protons

Moderate S2 Solar Radiation Storm - Infrequent effects on HF radio through polar regions and satellite operations


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M5.6
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days128.5 -22.7

This day in history*

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42025M5.6
52024M3.9
DstG
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*since 1994

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