Sunspot region AR9972
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/05/29 | 6 | 50 | CAO | S21E56 | |
| 2002/05/30 | 9 | 90 | DAO | S21E44 | |
| 2002/05/31 | 11 | 110 | DSO | S21E31 | |
| 2002/06/01 | 11 | 100 | CAO | S21E17 | |
| 2002/06/02 | 10 | 70 | DSO | S21E04 | |
| 2002/06/03 | 4 | 30 | DSO | S20W11 | |
| 2002/06/04 | 3 | 20 | CRO | S21W23 | |
| 2002/06/05 | 1 | 0 | AXX | S21W36 |
| C | M |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 9972
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.17 | 2002/05/29 | 04:25 | 05:19 | 05:42 | |
| 2 | C5 | 2002/05/30 | 16:14 | 16:26 | 16:44 |
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
Unspecified geomagnetic activity 70Do the high-resolution sunspot counts point to more complex sunspots? 73AR4374 21Current Farside Activity 398Incoming & Unnumbered Active Regions 170
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 100.6 -12 |
| Last 30 days | 117.7 +9.9 |