Sunspot region AR11543
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/08/08 | 4 | 140 | CSO | N21E70 | |
| 2012/08/09 | 4 | 230 | DAO | N21E58 | |
| 2012/08/10 | 6 | 260 | DHO | N21E45 | |
| 2012/08/11 | 4 | 250 | DHO | N21E33 | |
| 2012/08/12 | 9 | 250 | DHO | N20E20 | |
| 2012/08/13 | 5 | 230 | DSO | N20E07 | |
| 2012/08/14 | 12 | 250 | DKO | N20W05 | |
| 2012/08/15 | 7 | 250 | CKO | N22W19 | |
| 2012/08/16 | 9 | 300 | CHO | N21W34 | |
| 2012/08/17 | 2 | 360 | HHX | N22W48 | |
| 2012/08/18 | 5 | 320 | CKO | N24W59 | |
| 2012/08/19 | 3 | 300 | HHX | N23W74 | |
| 2012/08/20 | 3 | 180 | DSO | N23W86 |
| B | C |
|---|---|
| 2 | 10 |
The top 10 solar flares from sunspot region 11543
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.17 | 2012/08/16 | 12:41 | 13:16 | 13:48 | |
| 2 | C5.01 | 2012/08/14 | 00:23 | 00:31 | 00:42 | |
| 3 | C4.11 | 2012/08/13 | 12:33 | 12:40 | 12:49 | |
| 4 | C2.21 | 2012/08/17 | 16:05 | 16:11 | 16:15 | |
| 5 | C1.96 | 2012/08/17 | 15:21 | 15:32 | 15:42 | |
| 6 | C1.57 | 2012/08/13 | 04:05 | 04:13 | 04:27 | |
| 7 | C1.57 | 2012/08/14 | 11:28 | 11:37 | 11:43 | |
| 8 | C1.26 | 2012/08/10 | 15:44 | 15:47 | 15:50 | |
| 9 | C1.25 | 2012/08/19 | 22:43 | 23:15 | 23:38 | |
| 10 | C1.21 | 2012/08/15 | 03:37 | 03:46 | 03:54 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
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Complex sunspot region 4366
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/10 | M5.7 |
| Last geomagnetic storm | 2026/05/05 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| May 2026 | 103.1 +23.8 |
| Last 30 days | 95.2 +0.9 |
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