Sunspot region AR8524
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/25 | 1 | 0 | AXX | N22E53 | |
| 1999/04/26 | 8 | 120 | DSO | N22E39 | |
| 1999/04/27 | 10 | 220 | DAO | N22E26 | |
| 1999/04/28 | 22 | 240 | EAO | N22E13 | |
| 1999/04/29 | 19 | 300 | EKO | N22W02 | |
| 1999/04/30 | 24 | 310 | EAO | N22W15 | |
| 1999/05/01 | 28 | 270 | EAI | N21W28 | |
| 1999/05/02 | 27 | 170 | EAO | N22W40 | |
| 1999/05/03 | 19 | 150 | ESI | N21W55 | |
| 1999/05/04 | 7 | 80 | ESO | N20W69 | |
| 1999/05/05 | 5 | 30 | BXO | N22W80 |
| B | C |
|---|---|
| 1 | 11 |
The top 10 solar flares from sunspot region 8524
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.06 | 1999/04/30 | 03:50 | 03:55 | 03:58 | |
| 2 | C5.96 | 1999/05/02 | 07:52 | 08:00 | 08:10 | |
| 3 | C5.37 | 1999/04/29 | 17:34 | 17:41 | 17:47 | |
| 4 | C4.3 | 1999/05/01 | 22:54 | 23:00 | 23:06 | |
| 5 | C4.26 | 1999/04/29 | 17:11 | 17:17 | 17:26 | |
| 6 | C3.99 | 1999/05/03 | 15:30 | 15:38 | 15:41 | |
| 7 | C2.86 | 1999/05/03 | 10:16 | 10:19 | 10:21 | |
| 8 | C2.69 | 1999/04/30 | 02:43 | 02:50 | 02:56 | |
| 9 | C2.26 | 1999/04/29 | 20:47 | 20:52 | 21:08 | |
| 10 | C1.59 | 1999/05/03 | 12:50 | 12:54 | 12:57 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |