Sunspot region AR11506
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/06/11 | 2 | 50 | CAO | N11E66 | |
| 2012/06/12 | 2 | 50 | CAO | N11E52 | |
| 2012/06/13 | 9 | 100 | HAX | N11E38 | |
| 2012/06/14 | 5 | 80 | HSX | N11E25 | |
| 2012/06/15 | 7 | 70 | CSO | N11E11 | |
| 2012/06/16 | 4 | 30 | HRX | N11W03 | |
| 2012/06/17 | 4 | 30 | DSO | N11W18 | |
| 2012/06/18 | 2 | 10 | AXX | N11W30 | |
| 2012/06/19 | 2 | 10 | CRO | N13W41 | |
| 2012/06/20 | 1 | 10 | AXX | N12W55 |
| C |
|---|
| 9 |
The top 9 solar flares from sunspot region 11506
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.07 | 2012/06/12 | 03:11 | 03:15 | 03:19 | |
| 2 | C2.37 | 2012/06/12 | 23:40 | 23:57 | 00:05 | |
| 3 | C2.28 | 2012/06/12 | 19:04 | 19:09 | 19:12 | |
| 4 | C1.7 | 2012/06/12 | 02:34 | 02:38 | 02:49 | |
| 5 | C1.49 | 2012/06/12 | 05:31 | 05:33 | 05:35 | |
| 6 | C1.46 | 2012/06/12 | 04:12 | 04:20 | 04:22 | |
| 7 | C1.43 | 2012/06/12 | 02:13 | 02:17 | 02:20 | |
| 8 | C1.43 | 2012/06/12 | 02:13 | 02:17 | 02:20 | |
| 9 | C1.21 | 2012/06/12 | 05:12 | 05:16 | 05:24 |
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
Guess who’s back? AR4366! 1Incoming & Unnumbered Active Regions 197Do the high-resolution sunspot counts point to more complex sunspots? 74Solar cycle 25, solar maximum, is it over? 48Forum alert bar hidden at the bottom 5
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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 | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Current stretch | 4 days |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 78.9 -33.7 |
| Last 30 days | 86.6 -35.9 |