Sunspot region AR8335
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/09/13 | 4 | 30 | CRO | S22E68 | |
| 1998/09/14 | 3 | 210 | DAO | S22E54 | |
| 1998/09/15 | 5 | 190 | DAO | S22E40 | |
| 1998/09/16 | 5 | 190 | DSO | S22E27 | |
| 1998/09/17 | 6 | 110 | DAO | S22E14 | |
| 1998/09/18 | 4 | 100 | DAO | S22E01 | |
| 1998/09/19 | 6 | 100 | DAO | S22W12 | |
| 1998/09/20 | 4 | 60 | DSO | S21W26 | |
| 1998/09/21 | 3 | 70 | DSO | S21W39 | |
| 1998/09/22 | 4 | 50 | CSO | S21W52 | |
| 1998/09/23 | 1 | 50 | HSX | S20W68 | |
| 1998/09/24 | 1 | 20 | HRX | S20W81 |
| B | C |
|---|---|
| 2 | 2 |
The top 4 solar flares from sunspot region 8335
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.26 | 1998/09/14 | 09:35 | 09:39 | 09:41 | |
| 2 | C1.02 | 1998/09/14 | 23:43 | 23:48 | 23:53 | |
| 3 | B5.33 | 1998/09/14 | 13:32 | 13:36 | 13:40 | |
| 4 | B4.73 | 1998/09/14 | 10:46 | 10:48 | 10:52 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/03 | M1.3 |
| Last geomagnetic storm | 2026/04/02 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| April 2026 | 141 +55.1 |
| Last 30 days | 94.6 +27 |
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