Sunspot region AR9628
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/09/19 | 6 | 160 | DAO | S17E79 | |
| 2001/09/20 | 16 | 410 | FKC | S18E64 | |
| 2001/09/21 | 33 | 800 | FKC | S18E51 | |
| 2001/09/22 | 44 | 790 | FKC | S18E38 | |
| 2001/09/23 | 58 | 630 | FAC | S17E25 | |
| 2001/09/24 | 58 | 720 | FAC | S18E12 | |
| 2001/09/25 | 66 | 880 | FKC | S18W01 | |
| 2001/09/26 | 66 | 880 | FKC | S18W14 | |
| 2001/09/27 | 49 | 730 | FKC | S18W25 | |
| 2001/09/28 | 37 | 780 | EKC | S18W37 | |
| 2001/09/29 | 27 | 620 | FKI | S18W48 | |
| 2001/09/30 | 25 | 770 | EKI | S17W62 | |
| 2001/10/01 | 20 | 800 | EKI | S17W76 | |
| 2001/10/02 | 15 | 350 | EKC | S22W91 |
| C | M | X |
|---|---|---|
| 16 | 12 | 2 |
The top 10 solar flares from sunspot region 9628
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.3 | 2001/10/01 | 04:41 | 05:15 | 05:23 | |
| 2 | X1.09 | 2001/09/25 | 04:24 | 04:40 | 04:52 | |
| 3 | M3.5 | 2001/09/28 | 09:34 | 10:14 | 10:50 | |
| 4 | M2.92 | 2001/09/25 | 10:18 | 10:27 | 10:31 | |
| 5 | M2.05 | 2001/09/18 | 17:02 | 17:07 | 17:09 | |
| 6 | M1.68 | 2001/09/25 | 01:43 | 01:48 | 01:54 | |
| 7 | M1.51 | 2001/09/30 | 11:31 | 11:41 | 12:19 | |
| 8 | M1.24 | 2001/09/25 | 23:35 | 00:05 | 00:18 | |
| 9 | M1.24 | 2001/09/29 | 23:55 | 00:10 | 00:21 | |
| 10 | M1.12 | 2001/09/20 | 05:03 | 05:10 | 05:19 |
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| Last M-flare | 2025/12/28 | M4.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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