Sunspot region AR9539
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/07/13 | 5 | 30 | CSO | S18E26 | |
| 2001/07/14 | 9 | 50 | EAO | S19E11 | |
| 2001/07/15 | 26 | 110 | EAI | S18W02 | |
| 2001/07/16 | 21 | 110 | EAI | S18W15 | |
| 2001/07/17 | 20 | 190 | EAI | S18W28 | |
| 2001/07/18 | 20 | 220 | EAI | S18W43 | |
| 2001/07/19 | 6 | 140 | CAO | S19W58 | |
| 2001/07/20 | 1 | 110 | HAX | S20W74 | |
| 2001/07/21 | 1 | 120 | HAX | S20W92 |
| B | C | M |
|---|---|---|
| 3 | 14 | 3 |
The top 10 solar flares from sunspot region 9539
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.74 | 2001/07/16 | 03:13 | 03:20 | 03:29 | |
| 2 | M1.48 | 2001/07/14 | 21:26 | 21:33 | 21:40 | |
| 3 | M1.11 | 2001/07/15 | 00:15 | 00:23 | 00:29 | |
| 4 | C9.92 | 2001/07/15 | 06:42 | 06:56 | 07:07 | |
| 5 | C3.7 | 2001/07/16 | 06:28 | 06:36 | 06:39 | |
| 6 | C3.56 | 2001/07/17 | 10:17 | 10:24 | 10:30 | |
| 7 | C3.5 | 2001/07/15 | 13:57 | 14:09 | 14:19 | |
| 8 | C3.2 | 2001/07/16 | 08:46 | 08:55 | 09:10 | |
| 9 | C2.92 | 2001/07/14 | 04:20 | 04:30 | 04:37 | |
| 10 | C2.89 | 2001/07/15 | 00:46 | 00:48 | 00:52 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 167.7 +75.9 |
| Last 30 days | 107.1 +13.7 |