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Sunspot region AR10436

Number of
sunspots
Size Class Magn. Class Spot Location
2003/08/18 3 110 ESO N07E69
2003/08/19 10 160 EAO N08E57
2003/08/20 12 160 EAO N08E42
2003/08/21 15 120 EAO N07E29
2003/08/22 21 170 ESI N07E17
2003/08/23 32 230 EAC N07E03
2003/08/24 23 210 EAC N07W12
2003/08/25 28 210 EAC N08W26
2003/08/26 23 180 EAC N07W39
2003/08/27 10 80 EAI N08W51
2003/08/28 7 40 BXO N07W60
2003/08/29 4 60 CRO N07W80
BC
27

The top 9 solar flares from sunspot region 10436

Start Maximum End
1C8.12003/08/1918:1918:2618:31
2C6.662003/08/2615:4915:5916:06
3C2.812003/08/2704:5605:0805:26
4C2.772003/08/2203:2603:5004:58
5C1.82003/08/2404:1004:1704:26
6C1.682003/08/2722:4122:4522:47
7C1.662003/08/2423:3223:3723:39
8B9.412003/08/2614:0114:0514:11
9B6.042003/08/2609:4609:4909:55

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

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