Sunspot region AR10117
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/09/16 | 1 | 130 | HSX | S09E72 | |
| 2002/09/17 | 1 | 170 | HSX | S09E59 | |
| 2002/09/18 | 2 | 150 | HKX | S10E46 | |
| 2002/09/19 | 1 | 180 | HAX | S09E32 | |
| 2002/09/20 | 1 | 200 | HSX | S10E18 | |
| 2002/09/21 | 1 | 180 | HSX | S10E05 | |
| 2002/09/22 | 2 | 170 | HSX | S09W07 | |
| 2002/09/23 | 3 | 160 | HSX | S09W21 | |
| 2002/09/24 | 3 | 180 | CSO | S10W34 | |
| 2002/09/25 | 1 | 160 | HSX | S08W48 | |
| 2002/09/26 | 4 | 190 | DSO | S09W60 | |
| 2002/09/27 | 1 | 170 | HSX | S08W76 | |
| 2002/09/28 | 1 | 120 | HSX | S08W89 |
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) 171Aurora photography hints for those of us with smartphones 77Filaments and prominences 517Current Farside Activity 424What, no CH/HSS thread? 57
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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 | 2026/03/20 | Kp7- (G3) |
| 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 | 77.5 -0.7 |
| Last 30 days | 63.5 -42.2 |