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Sunspot region AR13451

Number of
sunspots		 Size Class Magn. Class Spot Location
2023/09/30 8 80 DAI N15E61
2023/10/01 7 50 DRI N17E48
2023/10/02 7 30 DRI N17E34
2023/10/03 8 50 DSO N16E22
2023/10/04 8 70 DSO N03E08
2023/10/05 18 140 DAI N12W06
2023/10/06 17 160 DAI N16W21
2023/10/07 22 180 EAI N16W33
2023/10/08 21 240 EAI N16W45
2023/10/09 14 240 EAI N17W60
2023/10/10 5 270 EKI N18W74
2023/10/11 3 270 EKI N17W89
2023/10/12 3 270 EKI N16W0*
CM
394

The top 10 solar flares from sunspot region 13451

Start Maximum End
1M2.32023/10/1012:0812:1712:29
2M1.612023/10/1001:5502:0902:22
3M1.22023/09/3016:1616:3516:49
4M1.12023/10/1204:5004:5805:05
5C9.12023/10/0918:5219:1119:28
6C7.52023/10/0911:2811:4311:57
7C7.22023/10/1109:2909:3709:47
8C6.62023/10/1122:0322:1222:16
9C6.42023/10/0908:3408:3808:43
10C6.32023/09/3015:5716:0716:14
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The solar wind speed is currently high (707.6 km/sec.)

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Thursday, 27 March 2025
16:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 16:05 UTC

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15:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 14:59 UTC

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09:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 08:59 UTC

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06:27 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 54GW at 07:01 UTC

06:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 05:51 UTC

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Space weather facts

Last X-flare2025/02/23X2.0
Last M-flare2025/03/27M2.0
Last geomagnetic storm2025/03/26Kp6+ (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025132.3 -22.3
Last 30 days132.3 -20

This day in history*

Solar flares
12024X1.12
22024M9.7
32024M7.1
42001M6.17
52024M6.1
DstG
11959-176G3
21957-141G3
31984-105G3
42001-87G2
51976-78
*since 1994

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