Sunspot region AR9878
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/03/21 | 1 | 60 | HSX | N08E75 | |
| 2002/03/22 | 5 | 110 | CAO | N09E64 | |
| 2002/03/23 | 9 | 150 | DAO | N08E53 | |
| 2002/03/24 | 15 | 150 | FAO | N10E43 | |
| 2002/03/25 | 16 | 100 | ESI | N09E28 | |
| 2002/03/26 | 18 | 150 | ESI | N08E15 | |
| 2002/03/27 | 23 | 170 | ESI | N08E00 | |
| 2002/03/28 | 20 | 150 | EAI | N10W13 | |
| 2002/03/29 | 9 | 80 | EAO | N09W26 | |
| 2002/03/30 | 9 | 80 | DSO | N09W40 | |
| 2002/03/31 | 5 | 60 | DSO | N09W55 | |
| 2002/04/01 | 2 | 20 | BXO | N08W68 | |
| 2002/04/02 | 2 | 20 | HRX | N08W82 |
| C | M |
|---|---|
| 4 | 1 |
The top 5 solar flares from sunspot region 9878
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.41 | 2002/03/25 | 20:01 | 20:08 | 20:12 | |
| 2 | C8.65 | 2002/03/25 | 10:31 | 10:39 | 10:45 | |
| 3 | C4.39 | 2002/03/26 | 15:12 | 15:21 | 15:33 | |
| 4 | C3.05 | 2002/03/23 | 03:13 | 03:30 | 04:28 | |
| 5 | C2.6 | 2002/03/25 | 15:52 | 16:00 | 16:09 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
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Space weather facts
| 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 | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 84 +5.8 |
| Last 30 days | 84 +6.2 |
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