Sunspot region AR10171
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/10/26 | 1 | 60 | HAX | N10E76 | |
| 2002/10/27 | 1 | 60 | HSX | N10E64 | |
| 2002/10/28 | 1 | 60 | HSX | N11E52 | |
| 2002/10/29 | 3 | 70 | HAX | N10E39 | |
| 2002/10/30 | 2 | 70 | HAX | N11E25 | |
| 2002/10/31 | 2 | 50 | HAX | N11E12 | |
| 2002/11/01 | 1 | 40 | HSX | N10W01 | |
| 2002/11/02 | 1 | 20 | HSX | N10W14 | |
| 2002/11/03 | 2 | 10 | HSX | N11W28 |
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
AR4401 57Incoming & Unnumbered Active Regions 246Photographing auroras 234SDO Imagery is not updated? 6Current Farside Activity 437
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| 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 | 80.2 +2 |
| Last 30 days | 77.8 -4.5 |