Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1997/08/26 | 9 | 80 | CRO | N29E63 | |
1997/08/27 | 9 | 160 | DAI | N30E51 | |
1997/08/28 | 11 | 100 | CSO | N29E37 | |
1997/08/29 | 25 | 200 | DSI | N29E24 | |
1997/08/30 | 32 | 280 | ESI | N28E11 | |
1997/08/31 | 29 | 200 | ESI | N28W01 | |
1997/09/01 | 32 | 210 | ESI | N29W15 | |
1997/09/02 | 28 | 210 | FSI | N28W28 | |
1997/09/03 | 20 | 210 | FSI | N28W42 | |
1997/09/04 | 17 | 160 | ESI | N28W55 | |
1997/09/05 | 6 | 110 | ESO | N27W65 | |
1997/09/06 | 1 | 50 | HSX | N26W84 | |
1997/09/07 | 1 | 0 | AXX | N25W91 |
B | C | M |
---|---|---|
8 | 17 | 1 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | M1.49 | 1997/09/02 | 12:25 | 12:30 | 12:34 | |
2 | C5.99 | 1997/08/26 | 05:26 | 05:32 | 05:35 | |
3 | C5.94 | 1997/09/02 | 21:06 | 21:13 | 21:19 | |
4 | C5.79 | 1997/08/26 | 00:51 | 00:54 | 00:56 | |
5 | C4.03 | 1997/09/02 | 23:54 | 23:59 | 00:03 | |
6 | C3.93 | 1997/08/31 | 11:26 | 11:31 | 11:33 | |
7 | C3.59 | 1997/09/03 | 02:05 | 02:12 | 02:17 | |
8 | C2.56 | 1997/08/30 | 11:07 | 11:25 | 11:32 | |
9 | C2.27 | 1997/09/05 | 13:20 | 13:30 | 13:38 | |
10 | C2.03 | 1997/08/25 | 16:25 | 17:15 | 17:29 |
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Last X-flare | 2024/10/31 | X2.03 |
Last M-flare | 2024/11/05 | M2.6 |
Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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September 2024 | 141.4 -74.1 |
November 2024 | 215.8 +74.4 |
Last 30 days | 161.1 +7.2 |