Sunspot region AR9991
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/06/08 | 1 | 300 | HKX | S22E69 | |
| 2002/06/09 | 1 | 250 | HHX | S21E57 | |
| 2002/06/10 | 1 | 270 | HKX | S22E43 | |
| 2002/06/11 | 1 | 270 | HHX | S22E30 | |
| 2002/06/12 | 6 | 290 | DHO | S22E17 | |
| 2002/06/13 | 10 | 340 | DHO | S22E04 | |
| 2002/06/14 | 7 | 310 | CHO | S20W09 | |
| 2002/06/15 | 4 | 350 | CKO | S21W21 | |
| 2002/06/16 | 3 | 290 | CHO | S21W34 | |
| 2002/06/17 | 2 | 270 | HKX | S21W47 | |
| 2002/06/18 | 2 | 330 | CKO | S22W61 | |
| 2002/06/19 | 1 | 250 | HHX | S21W72 | |
| 2002/06/20 | 4 | 220 | CHO | S22W85 |
| B | C |
|---|---|
| 2 | 3 |
The top 5 solar flares from sunspot region 9991
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.27 | 2002/06/12 | 21:14 | 21:19 | 21:22 | |
| 2 | C2.06 | 2002/06/17 | 19:54 | 20:16 | 20:26 | |
| 3 | C1.79 | 2002/06/16 | 21:12 | 21:24 | 21:28 | |
| 4 | B9.71 | 2002/06/16 | 16:42 | 16:54 | 17:02 | |
| 5 | B9.56 | 2002/06/13 | 07:07 | 07:15 | 07:17 |
Latest news
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
Latest forum messages
AR4294 / 4296 / 4298 355AR 4299 89AR4299 M8.1 CME 2025/12/06 70Growth of Cycle 25 975Incoming & Unnumbered Active Regions 21
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |