Sunspot region AR9877
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/03/21 | 2 | 30 | CSO | N18W29 | |
| 2002/03/22 | 3 | 40 | CRO | N16W44 | |
| 2002/03/23 | 8 | 70 | DAO | N15W57 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
CMEs From AR4436 21AR4436 100AR 4432 26Space Weather Memes 830Upper atmosphere phenomena Red sprites and Blue jets 50
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/10 | M5.7 |
| Last geomagnetic storm | 2026/05/05 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 110 +30.7 |
| Last 30 days | 94.1 -4 |
