Sunspot region AR8723
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/05 | 1 | 30 | HSX | N19E77 | |
| 1999/10/06 | 1 | 40 | HAX | N20E67 | |
| 1999/10/07 | 1 | 20 | HSX | N19E51 | |
| 1999/10/08 | 3 | 20 | CSO | N20E39 | |
| 1999/10/09 | 1 | 20 | HSX | N20E27 | |
| 1999/10/10 | 7 | 10 | BXO | N20E14 | |
| 1999/10/11 | 3 | 10 | BXO | N20E01 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 554Anomalous sunspots on the sun ? 5New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 67X1.9 CME 1347JHelioviewer Tips and Settings 39
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Space weather facts
| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M2.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 97 -27 |
| Last 30 days | 118.3 +3.5 |