Sunspot region AR11555
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/08/26 | 6 | 160 | DAO | N09E69 | |
| 2012/08/27 | 7 | 310 | DKO | N08E56 | |
| 2012/08/28 | 10 | 320 | DHO | N08E43 | |
| 2012/08/29 | 13 | 180 | DAI | N08E29 | |
| 2012/08/30 | 15 | 100 | DSI | N08E15 | |
| 2012/08/31 | 11 | 30 | CSO | N08E01 | |
| 2012/09/01 | 4 | 30 | CSO | N08W12 |
| B | C |
|---|---|
| 3 | 3 |
The top 6 solar flares from sunspot region 11555
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.36 | 2012/08/28 | 21:04 | 21:10 | 21:16 | |
| 2 | C1.19 | 2012/08/28 | 23:50 | 23:54 | 23:58 | |
| 3 | C1.13 | 2012/08/29 | 19:23 | 19:30 | 19:37 | |
| 4 | B9.2 | 2012/08/28 | 22:43 | 22:48 | 23:05 | |
| 5 | B5.51 | 2012/08/28 | 19:55 | 19:58 | 20:09 | |
| 6 | B5.27 | 2012/08/27 | 19:11 | 19:15 | 19:17 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/19 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 81 -4.9 |
| Last 30 days | 92.5 +30.9 |
