Sunspot region AR8554
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/26 | 5 | 10 | BXO | N27E39 | |
| 1999/05/27 | 12 | 30 | CRO | N26E26 | |
| 1999/05/28 | 11 | 60 | CAO | N26E11 | |
| 1999/05/29 | 7 | 20 | DRO | N27W02 | |
| 1999/05/30 | 4 | 20 | DRO | N24W14 | |
| 1999/05/31 | 4 | 10 | BXO | N24W27 | |
| 1999/06/01 | 3 | 10 | BXO | N25W35 | |
| 1999/06/02 | 14 | 30 | CSO | N25W48 | |
| 1999/06/03 | 8 | 120 | DAO | N27W63 | |
| 1999/06/04 | 8 | 130 | DAO | N24W78 | |
| 1999/06/05 | 4 | 80 | DAO | N25W89 |
| C |
|---|
| 11 |
The top 10 solar flares from sunspot region 8554
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.14 | 1999/06/03 | 21:09 | 21:12 | 21:14 | |
| 2 | C6.71 | 1999/06/01 | 06:07 | 06:15 | 06:22 | |
| 3 | C4.21 | 1999/05/27 | 05:30 | 05:34 | 05:39 | |
| 4 | C3.6 | 1999/06/01 | 07:55 | 08:03 | 08:12 | |
| 5 | C3.37 | 1999/05/26 | 02:25 | 02:30 | 02:35 | |
| 6 | C3.3 | 1999/05/29 | 20:04 | 20:09 | 20:13 | |
| 7 | C3.23 | 1999/06/02 | 08:20 | 08:29 | 08:38 | |
| 8 | C2.59 | 1999/06/04 | 14:25 | 14:29 | 14:33 | |
| 9 | C2.53 | 1999/06/03 | 19:53 | 19:56 | 19:58 | |
| 10 | C2.34 | 1999/06/04 | 02:46 | 02:50 | 02:53 |
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| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 156.1 +4.7 |