Sunspot region AR12871

Number of
sunspots
Size Class Magn. Class Spot Location
2021/09/18 1 30 HSX S28E73
2021/09/19 3 60 DAO S27E59
2021/09/20 6 240 DAO S28E47
2021/09/21 8 310 DKO S28E37
2021/09/22 7 250 DKO S29E25
2021/09/23 11 210 DAO S28E10
2021/09/24 8 140 DAO S25E01
2021/09/25 9 140 DAC S28W13
2021/09/26 10 90 DAI S15W49
2021/09/27 6 70 CSO S27W39
2021/09/28 1 30 HRX S29W52
2021/09/29 1 10 AXX S28W66
2021/09/30 1 10 AXX S28W79
BCM
89162

The top 10 solar flares from sunspot region 12871

Start Maximum End
1M2.82021/09/2304:3504:4204:50
2M1.892021/09/2315:2315:2815:39
3C5.52021/09/1704:0704:2804:44
4C5.32021/09/2304:1704:3204:35
5C3.52021/09/1704:0904:2004:48
6C3.02021/09/2406:5607:0107:05
7C2.62021/09/1807:4708:2708:33
8C1.72021/09/2519:1119:1719:21
9C1.62021/09/2611:1911:2411:28
10C1.62021/09/2805:5406:3406:54

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Norilsk, Vorkuta
The maximum X-ray flux of the past two hours is:
C6.08

S1 - Minor solar radiation storm

Minor impacts on HF radio through polar regions

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Latest alerts

11:15 UTC - Solar protons

Minor S1 Solar Radiation Storm - Minor impacts on HF radio through polar regions


10:45 UTC - Solar flare

Moderate M1.26 flare

alert


10:27 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.22)


00:09 UTC - Solar flare

Moderate M1.03 flare

alert


Sunday, 30 March 2025
23:51 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.03)


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/03/31M1.2
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025127 -27.6
Last 30 days127 -25.7

This day in history*

Solar flares
12022M9.67
22000M5.89
32001M3.06
42000M2.9
52000M2.71
DstG
12001-387G4
21960-191G4
31989-100G2
41990-88
52003-78G2
*since 1994

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