Sunspot region AR12786

Number of
sunspots
Size Class Magn. Class Spot Location
2020/11/23 1 120 HSX S16E68
2020/11/24 2 380 CKO S14E58
2020/11/25 6 1000 CKO S17E51
2020/11/26 9 840 FKO S17E39
2020/11/27 14 800 FKO S17E29
2020/11/28 17 780 FKO S17E15
2020/11/29 13 770 FKI S18E01
2020/11/30 17 590 CKI S18W11
2020/12/01 12 430 CKO S15W32
2020/12/02 6 370 HKX S18W39
2020/12/03 3 410 HKX S18W54
2020/12/04 3 460 HKX S17W72
2020/12/05 3 350 CKO S18W85
2020/12/06 3 350 CKO S17W99
BC
3115

The top 10 solar flares from sunspot region 12786

Start Maximum End
1C3.82020/11/2612:4212:5313:07
2C3.42020/11/2503:4704:0204:21
3C3.12020/11/2822:5923:1823:32
4C2.92020/11/2813:2613:3513:43
5C1.82020/11/2606:5206:5506:59
6C1.72020/12/0301:4501:5602:03
7C1.62020/11/2911:2411:4412:03
8C1.52020/11/2716:4516:5917:29
9C1.52020/11/2801:2101:3501:56
10C1.42020/12/0123:1123:2023:26
The solar wind speed is currently moderately high (608.9 km/sec.)

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Latest alerts

02:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:50 UTC

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Saturday, 5 April 2025
20:30 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:20 UTC

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20:24 UTC - Solar flare

Moderate M1.05 flare

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20:09 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.05)


10:00 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 78GW at 10:32 UTC


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/05M1.0
Last geomagnetic storm2025/04/05Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025150.4 +16.2
Last 30 days131.6 -13.4

This day in history*

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*since 1994

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