Sunspot region AR8615
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/07/02 | 1 | 40 | HSX | S29E77 | |
| 1999/07/03 | 1 | 90 | HAX | S29E63 | |
| 1999/07/04 | 1 | 130 | HSX | S29E50 | |
| 1999/07/05 | 1 | 200 | HSX | S29E37 | |
| 1999/07/06 | 2 | 190 | HSX | S29E25 | |
| 1999/07/07 | 1 | 200 | HAX | S29E11 | |
| 1999/07/08 | 1 | 210 | HSX | S29W02 | |
| 1999/07/09 | 2 | 180 | HSX | S29W16 | |
| 1999/07/10 | 7 | 180 | CSO | S29W28 | |
| 1999/07/11 | 8 | 150 | CAO | S31W40 | |
| 1999/07/12 | 9 | 190 | CAO | S29W55 | |
| 1999/07/13 | 5 | 170 | CAO | S30W69 | |
| 1999/07/14 | 3 | 120 | CAO | S29W83 | |
| 1999/07/15 | 1 | 30 | HAX | S28W92 |
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 8615
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.39 | 1999/07/03 | 05:07 | 05:10 | 05:12 | |
| 2 | C2.21 | 1999/07/09 | 00:18 | 00:27 | 00:32 | |
| 3 | C1.74 | 1999/07/11 | 17:45 | 17:52 | 18:03 | |
| 4 | C1.53 | 1999/07/10 | 05:54 | 05:59 | 06:04 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 130 +51.8 |
| Last 30 days | 91.6 +20.3 |
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