Sunspot region AR8342
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/09/20 | 1 | 10 | AXX | N17E38 | |
| 1998/09/21 | 8 | 40 | CSO | N18E25 | |
| 1998/09/22 | 11 | 100 | DSO | N18E13 | |
| 1998/09/23 | 8 | 70 | DAO | N18E00 | |
| 1998/09/24 | 4 | 70 | CSO | N18W16 | |
| 1998/09/25 | 3 | 60 | CSO | N18W28 | |
| 1998/09/26 | 1 | 60 | HSX | N19W46 | |
| 1998/09/27 | 1 | 80 | HSX | N18W61 | |
| 1998/09/28 | 2 | 70 | DSO | N17W72 | |
| 1998/09/29 | 2 | 50 | DSO | N17W88 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
CMes from ar 4392 (19-21st of march) 56An interesting article about the suns dynamo 1Incoming & Unnumbered Active Regions 226AR4392 (including CMEs) 120CH 31 HSS 26
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 80.1 +1.9 |
| Last 30 days | 62.9 -47.9 |