Sunspot region AR10642
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/07/08 | 5 | 30 | BXO | S08E63 | |
| 2004/07/09 | 7 | 50 | CAO | S07E51 | |
| 2004/07/10 | 9 | 70 | DAO | S07E39 | |
| 2004/07/11 | 11 | 90 | DAO | S07E26 | |
| 2004/07/12 | 27 | 130 | CAO | S07E12 | |
| 2004/07/13 | 25 | 130 | DAI | S07W01 | |
| 2004/07/14 | 17 | 150 | CAI | S07W16 | |
| 2004/07/15 | 15 | 100 | DAO | S08W28 | |
| 2004/07/16 | 11 | 110 | CAO | S08W42 | |
| 2004/07/17 | 6 | 70 | CAO | S07W56 | |
| 2004/07/18 | 7 | 60 | HSX | S07W69 | |
| 2004/07/19 | 2 | 90 | HAX | S07W82 |
| B | C |
|---|---|
| 6 | 1 |
The top 7 solar flares from sunspot region 10642
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.02 | 2004/07/08 | 00:09 | 00:17 | 00:22 | |
| 2 | B6.97 | 2004/07/08 | 14:25 | 14:33 | 14:42 | |
| 3 | B5.28 | 2004/07/08 | 06:54 | 07:10 | 07:25 | |
| 4 | B3.2 | 2004/07/08 | 22:23 | 22:29 | 22:44 | |
| 5 | B3.07 | 2004/07/07 | 21:58 | 22:06 | 22:13 | |
| 6 | B2.64 | 2004/07/08 | 05:09 | 05:15 | 05:19 | |
| 7 | B1.65 | 2004/07/07 | 21:21 | 21:26 | 21:29 |
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/19 | M1.2 |
| Last geomagnetic storm | 2026/01/19 | Kp9- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 103.8 -20.2 |
| Last 30 days | 109.8 +2 |