Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
---|---|---|---|---|---|
1997/12/24 | 1 | 100 | HHX | N20E79 | |
1997/12/25 | 1 | 160 | HHX | N21E66 | |
1997/12/26 | 1 | 160 | HKX | N21E54 | |
1997/12/27 | 2 | 200 | CHO | N20E41 | |
1997/12/28 | 3 | 180 | HSX | N21E28 | |
1997/12/29 | 8 | 210 | CHO | N22E16 | |
1997/12/30 | 7 | 230 | DKO | N19E05 | |
1997/12/31 | 7 | 220 | HKX | N21W10 | |
1998/01/01 | 7 | 240 | CHO | N21W24 | |
1998/01/02 | 6 | 210 | CKO | N22W38 | |
1998/01/03 | 9 | 180 | DAO | N20W51 | |
1998/01/04 | 7 | 150 | DAO | N21W62 | |
1998/01/05 | 7 | 110 | DAO | N22W74 | |
1998/01/06 | 1 | 40 | HSX | N23W91 |
B | C |
---|---|
1 | 3 |
Start | Maximum | End | ||||
---|---|---|---|---|---|---|
1 | C2 | 1997/12/31 | 06:55 | 07:18 | 07:47 | |
2 | C1.67 | 1998/01/02 | 12:18 | 12:32 | 12:41 | |
3 | C1.04 | 1997/12/24 | 19:03 | 19:15 | 19:29 | |
4 | B8.63 | 1997/12/31 | 15:12 | 15:27 | 15:35 |
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Last X-flare | 2024/10/31 | X2.0 |
Last M-flare | 2024/11/05 | M2.6 |
Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
September 2024 | 141.4 -74.1 |
November 2024 | 215.8 +74.4 |
Last 30 days | 161.1 +7.2 |