Sunspot region AR8569
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/05 | 2 | 60 | CAO | N18E73 | |
| 1999/06/06 | 5 | 100 | CAO | N21E59 | |
| 1999/06/07 | 8 | 90 | CSO | N18E47 | |
| 1999/06/08 | 9 | 120 | CAO | N18E35 | |
| 1999/06/09 | 6 | 80 | ESO | N18E20 | |
| 1999/06/10 | 14 | 130 | EAO | N19E06 | |
| 1999/06/11 | 29 | 220 | EAI | N19W07 | |
| 1999/06/12 | 38 | 260 | FAC | N19W20 | |
| 1999/06/13 | 40 | 310 | FAI | N20W32 | |
| 1999/06/14 | 29 | 360 | EKI | N19W45 | |
| 1999/06/15 | 21 | 370 | EAC | N19W59 | |
| 1999/06/16 | 12 | 230 | EAI | N19W72 | |
| 1999/06/17 | 5 | 80 | CSO | N18W85 |
| C |
|---|
| 9 |
The top 9 solar flares from sunspot region 8569
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.71 | 1999/06/17 | 00:22 | 00:36 | 00:50 | |
| 2 | C5.64 | 1999/06/11 | 18:08 | 18:18 | 18:30 | |
| 3 | C3.49 | 1999/06/13 | 13:06 | 13:11 | 13:15 | |
| 4 | C3.4 | 1999/06/13 | 07:39 | 07:43 | 07:45 | |
| 5 | C2.11 | 1999/06/13 | 16:44 | 16:57 | 17:06 | |
| 6 | C2.07 | 1999/06/14 | 03:02 | 03:31 | 04:11 | |
| 7 | C1.94 | 1999/06/11 | 21:33 | 21:36 | 21:39 | |
| 8 | C1.51 | 1999/06/12 | 01:03 | 01:06 | 01:10 | |
| 9 | C1.3 | 1999/06/10 | 01:12 | 01:19 | 01:26 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/27 | M1.0 |
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| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 91.1 +5.9 |
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