Sunspot region AR10687
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/10/20 | 2 | 120 | DAO | N10E79 | |
| 2004/10/21 | 7 | 160 | DAC | N10E65 | |
| 2004/10/22 | 7 | 210 | CKO | N10E52 | |
| 2004/10/23 | 16 | 280 | EKI | N10E39 | |
| 2004/10/24 | 27 | 270 | EAI | N11E28 | |
| 2004/10/25 | 44 | 280 | EKI | N12E15 | |
| 2004/10/26 | 48 | 370 | EAI | N12E03 | |
| 2004/10/27 | 46 | 330 | EAI | N12W11 | |
| 2004/10/28 | 50 | 360 | EAI | N12W24 | |
| 2004/10/29 | 37 | 250 | EAI | N12W37 | |
| 2004/10/30 | 13 | 160 | DAI | N12W50 | |
| 2004/10/31 | 4 | 90 | HAX | N12W66 | |
| 2004/11/01 | 4 | 60 | CAO | N12W80 | |
| 2004/11/02 | 2 | 30 | BXO | N11W92 |
| B | C | M |
|---|---|---|
| 7 | 36 | 7 |
The top 10 solar flares from sunspot region 10687
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.76 | 2004/10/20 | 10:43 | 10:51 | 10:56 | |
| 2 | M3.37 | 2004/10/24 | 20:17 | 20:28 | 20:35 | |
| 3 | M3.11 | 2004/10/22 | 07:52 | 08:11 | 08:16 | |
| 4 | M1.42 | 2004/10/21 | 19:24 | 19:48 | 19:56 | |
| 5 | M1.42 | 2004/10/23 | 16:22 | 16:54 | 17:08 | |
| 6 | M1.14 | 2004/10/23 | 19:16 | 19:22 | 19:24 | |
| 7 | M1.12 | 2004/10/21 | 00:18 | 00:40 | 00:52 | |
| 8 | C9.98 | 2004/11/02 | 01:34 | 01:43 | 01:53 | |
| 9 | C9.81 | 2004/10/25 | 10:15 | 10:31 | 10:42 | |
| 10 | C7.46 | 2004/10/21 | 06:44 | 06:53 | 06:57 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/31 | M7.11 |
| Last geomagnetic storm | 2026/01/02 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 110 -14 |
| Last 30 days | 103.2 -6.5 |