| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/22 | 2 | 60 | HAX | S16E76 | |
| 1999/06/23 | 5 | 100 | DAC | S16E64 | |
| 1999/06/24 | 7 | 110 | CAO | S17E52 | |
| 1999/06/25 | 8 | 120 | CAO | S17E39 | |
| 1999/06/26 | 10 | 110 | DSO | S16E27 | |
| 1999/06/27 | 11 | 90 | EAO | S16E13 | |
| 1999/06/28 | 16 | 70 | CAO | S16E00 | |
| 1999/06/29 | 7 | 40 | CAO | S14W14 | |
| 1999/06/30 | 8 | 20 | CRO | S14W30 | |
| 1999/07/01 | 5 | 20 | BXO | S15W43 | |
| 1999/07/02 | 2 | 10 | AXX | S14W55 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.4 | 1999/06/22 | 07:25 | 07:31 | 07:46 | |
| 2 | C2.03 | 1999/06/22 | 02:53 | 02:57 | 03:00 |
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| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/03 | M1.7 |
| 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 | 114 -10 |
| Last 30 days | 118.1 +6.2 |