Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1998/05/24 | 12 | 30 | CRO | N17W12 | |
1998/05/25 | 20 | 200 | DAO | N18W28 | |
1998/05/26 | 22 | 300 | DAI | N18W38 | |
1998/05/27 | 14 | 320 | DKO | N18W52 | |
1998/05/28 | 11 | 280 | ESO | N18W66 | |
1998/05/29 | 5 | 200 | CSO | N18W81 |
B | C | M |
---|---|---|
5 | 11 | 3 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | M9.14 | 1998/05/29 | 00:51 | 00:59 | 01:03 | |
2 | M1.51 | 1998/05/28 | 13:43 | 13:53 | 14:00 | |
3 | M1.15 | 1998/05/28 | 18:59 | 19:12 | 19:18 | |
4 | C9.97 | 1998/05/27 | 13:30 | 13:35 | 14:50 | |
5 | C4.13 | 1998/05/28 | 04:33 | 04:39 | 04:42 | |
6 | C3.49 | 1998/05/28 | 12:50 | 12:55 | 12:57 | |
7 | C2.96 | 1998/05/28 | 20:24 | 20:28 | 20:31 | |
8 | C2.93 | 1998/05/28 | 22:41 | 22:48 | 22:57 | |
9 | C2.41 | 1998/05/27 | 06:05 | 06:11 | 06:20 | |
10 | C2.23 | 1998/05/26 | 21:07 | 21:25 | 21:41 |
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Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:50 UTC
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:20 UTC
Moderate M1.05 flare
Minor R1 radio blackout in progress (≥M1 - current: M1.05)
The OVATION model predicts the Hemispheric Power Index to reach 78GW at 10:32 UTC
Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/05 | M1.0 |
Last geomagnetic storm | 2025/04/05 | Kp6- (G2) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
March 2025 | 134.2 -20.4 |
April 2025 | 150.4 +16.2 |
Last 30 days | 131.6 -13.4 |