Sunspot region AR8366
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/10/19 | 1 | 0 | AXX | S16E35 | |
| 1998/10/24 | 7 | 20 | CRO | S16E19 | |
| 1998/10/25 | 3 | 20 | CRO | S11W43 | |
| 1998/10/26 | 1 | 10 | AXX | S12W54 | |
| 1998/10/27 | 1 | 10 | HSX | S09W66 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8366
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.17 | 1998/10/25 | 13:51 | 13:56 | 14:04 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4409 94Late 2026/04/01 Filament CME 17AR4405 238Comet C/2026 A1 (MAPS) for the southern hemisphere 37AR 4408 1
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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 | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 141 +55.1 |
| Last 30 days | 94.6 +27 |
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