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Real-time auroral and solar activity

Sunspot region AR11897

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/11/12 7 240 DAI S18E64
2013/11/13 26 600 EKC S20E51
2013/11/14 29 610 EKC S21E37
2013/11/15 87 310 FKC S21E26
2013/11/16 84 360 EKC S21E12
2013/11/17 63 240 FAC S20W04
2013/11/18 94 240 FAC S20W15
2013/11/19 28 100 FAI S19W29
2013/11/20 10 70 FSO S18W41
2013/11/21 5 40 DSO S18W58
2013/11/22 5 40 CSO S18W72
2013/11/23 1 30 CRO S17W84
2013/11/24 1 30 CRO S17W98
CM
335

The top 10 solar flares from sunspot region 11897

Start Maximum End
1M3.562013/11/1111:0111:1811:30
2M2.042013/11/1314:5715:2015:41
3M1.412013/11/1222:4923:0823:31
4M1.242013/11/1606:1506:2106:28
5M1.072013/11/1511:3111:3511:40
6C9.132013/11/2016:5717:2217:40
7C8.532013/11/1320:1920:4220:58
8C7.082013/11/1407:5008:0008:08
9C6.612013/11/2011:2311:2911:38
10C6.452013/11/1219:3119:4219:54
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Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Oulu, Rovaniemi, Kuopio, Sodankylä
Kirkenes, Trondheim
Arkhangelsk, Murmansk, Vorkuta
Kiruna, Luleå, Sundsvall, Umeå
The solar wind speed is currently moderately high (573 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*

Solar flares
12001X8.08
22004M3.44
32023M3.01
42000M2.7
52006M2.02
DstG
12000-291G4
21977-105G3
31988-100G2
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*since 1994

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