Sunspot region AR8606
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/25 | 7 | 60 | DAO | N17E33 | |
| 1999/06/26 | 11 | 60 | DAO | N17E21 | |
| 1999/06/27 | 13 | 100 | DAI | N17E08 | |
| 1999/06/28 | 16 | 90 | DAO | N17W06 | |
| 1999/06/29 | 12 | 50 | DAO | N17W18 | |
| 1999/06/30 | 11 | 60 | DSO | N17W32 | |
| 1999/07/01 | 5 | 50 | DSO | N17W46 | |
| 1999/07/02 | 9 | 60 | DSO | N16W60 | |
| 1999/07/03 | 3 | 10 | BXO | N17W72 |
| C | M |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 8606
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.59 | 1999/06/30 | 20:07 | 20:12 | 20:15 | |
| 2 | C3.23 | 1999/06/28 | 03:36 | 03:40 | 03:43 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 122.8 +36.9 |
| Last 30 days | 99.9 +42.1 |
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