Sunspot region AR8794
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/12/10 | 1 | 50 | HSX | S15E58 | |
| 1999/12/11 | 1 | 30 | HSX | S14E44 | |
| 1999/12/12 | 2 | 30 | CSO | S15E31 | |
| 1999/12/13 | 2 | 30 | CSO | S14E19 | |
| 1999/12/14 | 5 | 20 | CSO | S13E05 | |
| 1999/12/15 | 1 | 10 | HSX | S13W08 | |
| 1999/12/16 | 6 | 20 | BXO | S14W20 | |
| 1999/12/17 | 10 | 30 | BXO | S14W27 | |
| 1999/12/18 | 10 | 20 | BXO | S14W40 | |
| 1999/12/19 | 2 | 0 | AXX | S16W53 |
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 8794
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.21 | 1999/12/09 | 19:49 | 19:58 | 20:17 | |
| 2 | C3.17 | 1999/12/16 | 08:31 | 08:36 | 08:45 | |
| 3 | C3.01 | 1999/12/19 | 19:27 | 19:31 | 19:35 | |
| 4 | C1.67 | 1999/12/11 | 07:30 | 07:39 | 07:45 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
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Monday, 19 January 2026
CME impact! S4 solar radiation storm
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| 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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| March 2026 | 85.2 +7 |
| Last 30 days | 85.2 +8.6 |
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