| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/06/13 | 6 | 50 | DAO | S11W19 | |
| 2013/06/14 | 12 | 90 | DAI | S11W32 | |
| 2013/06/15 | 13 | 320 | DKO | S11W46 | |
| 2013/06/16 | 6 | 270 | DKO | S11W59 | |
| 2013/06/17 | 7 | 260 | DKO | S12W71 | |
| 2013/06/18 | 7 | 260 | DKO | S12W85 | |
| 2013/06/19 | 7 | 260 | DKO | S12W99 |
| B | C |
|---|---|
| 4 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.29 | 2013/06/13 | 09:55 | 10:06 | 10:11 | |
| 2 | B9.88 | 2013/06/13 | 09:20 | 09:27 | 09:33 | |
| 3 | B9.76 | 2013/06/14 | 01:51 | 01:55 | 01:58 | |
| 4 | B9.44 | 2013/06/16 | 02:30 | 02:37 | 02:46 | |
| 5 | B4.68 | 2013/06/13 | 21:06 | 21:10 | 21:13 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 141.3 +17.3 |
| Last 30 days | 123.1 +14.7 |