Sunspot region AR11678
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/02/19 | 6 | 30 | DRO | N10W26 | |
| 2013/02/20 | 14 | 130 | DAI | N10W40 | |
| 2013/02/21 | 13 | 360 | DKC | N11W54 | |
| 2013/02/22 | 11 | 470 | DKC | N11W67 | |
| 2013/02/23 | 4 | 380 | DKO | N10W80 | |
| 2013/02/24 | 4 | 350 | DKO | N08W93 |
| B | C | M |
|---|---|---|
| 5 | 19 | 1 |
The top 10 solar flares from sunspot region 11678
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.2 | 2013/02/20 | 11:08 | 11:11 | 11:13 | |
| 2 | C6.85 | 2013/02/23 | 15:56 | 16:09 | 16:20 | |
| 3 | C4.26 | 2013/02/20 | 14:52 | 14:56 | 14:58 | |
| 4 | C4.15 | 2013/02/23 | 18:45 | 18:56 | 19:09 | |
| 5 | C3.67 | 2013/02/21 | 04:56 | 05:05 | 05:17 | |
| 6 | C3.11 | 2013/02/19 | 10:09 | 10:51 | 11:26 | |
| 7 | C2.91 | 2013/02/21 | 04:01 | 04:09 | 04:16 | |
| 8 | C2.8 | 2013/02/21 | 03:07 | 03:10 | 03:12 | |
| 9 | C2.44 | 2013/02/20 | 21:50 | 21:58 | 22:12 | |
| 10 | C1.47 | 2013/02/22 | 12:14 | 12:22 | 12:33 |
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Space weather facts
| Last X-flare | 2026/07/04 | X1.3 |
| Last M-flare | 2026/07/22 | M3.6 |
| Last geomagnetic storm | 2026/07/23 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (1%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| June 2026 | 94.4 -7.1 |
| July 2026 | 73.1 -21.3 |
| Last 30 days | 81.3 -25.8 |
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