Sunspot region AR8158
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/02/12 | 2 | 10 | BXO | S19E77 | |
| 1998/02/13 | 3 | 10 | BXO | S19E62 | |
| 1998/02/14 | 4 | 10 | BXO | S19E50 | |
| 1998/02/15 | 4 | 20 | CSO | S20E36 | |
| 1998/02/16 | 4 | 10 | BXO | S21E23 | |
| 1998/02/17 | 5 | 20 | CRO | S21E10 | |
| 1998/02/18 | 3 | 10 | BXO | S21W03 | |
| 1998/02/19 | 3 | 10 | BXO | S22W14 | |
| 1998/02/20 | 4 | 20 | BXO | S21W29 | |
| 1998/02/23 | 2 | 10 | BXO | S20W69 | |
| 1998/02/24 | 5 | 70 | CSO | S19W82 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 8158
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B4.9 | 1998/02/18 | 06:31 | 06:36 | 06:38 |
Latest news
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Tuesday, 8 October 2024
Double X-flares, glancing blow possible
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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 | |
|---|---|
| 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 |