Sunspot region AR8477
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/03/01 | 4 | 30 | CSO | S25E77 | |
| 1999/03/02 | 5 | 100 | DAO | S26E64 | |
| 1999/03/03 | 4 | 110 | DSO | S26E53 | |
| 1999/03/04 | 5 | 110 | DSO | S26E40 | |
| 1999/03/05 | 13 | 130 | EAO | S32E28 | |
| 1999/03/06 | 21 | 150 | EAO | S26E15 | |
| 1999/03/07 | 21 | 150 | ESO | S29E01 | |
| 1999/03/08 | 17 | 90 | CSO | S25W10 | |
| 1999/03/09 | 14 | 120 | DSO | S27W18 | |
| 1999/03/10 | 17 | 100 | DSO | S28W33 | |
| 1999/03/11 | 9 | 160 | DAO | S28W46 | |
| 1999/03/12 | 7 | 200 | CSO | S29W58 | |
| 1999/03/13 | 2 | 180 | HHX | S30W68 | |
| 1999/03/14 | 2 | 170 | HSX | S28W82 | |
| 1999/03/15 | 1 | 180 | HAX | S28W94 |
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 8477
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.26 | 1999/03/07 | 03:54 | 04:08 | 04:15 | |
| 2 | C1.49 | 1999/03/04 | 15:59 | 16:09 | 16:15 | |
| 3 | C1.23 | 1999/03/10 | 16:10 | 16:14 | 16:18 |
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
Latest forum messages
AR13889 79Unspecified geomagnetic activity 1619magnetometer 3Incoming & Unnumbered Active Regions 1202Possible CME 10.11.2024 12:06 UTC Peak M9.49 from AR 13889 flare 13
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/10 | M4.8 |
| Last geomagnetic storm | 2024/11/09 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 186 +19.6 |
| Last 30 days | 163.1 +14.2 |