Sunspot region AR12173
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2014/09/21 | 1 | 20 | HRX | S15E65 | |
| 2014/09/22 | 1 | 20 | HRX | S15E51 | |
| 2014/09/23 | 1 | 10 | HRX | S15E37 | |
| 2014/09/24 | 1 | 10 | HRX | S15E24 | |
| 2014/09/27 | 16 | 50 | CAO | S17W10 | |
| 2014/09/28 | 16 | 50 | CAO | S17W10 | |
| 2014/09/29 | 22 | 160 | DAC | S17W39 | |
| 2014/09/30 | 11 | 150 | EAC | S16W54 | |
| 2014/10/01 | 9 | 100 | EAI | S14W66 | |
| 2014/10/02 | 12 | 100 | DAI | S14W79 | |
| 2014/10/03 | 1 | 50 | HAX | S13W85 | |
| 2014/10/04 | 1 | 50 | HAX | S13W99 |
2014/09/21
2014/09/22
2014/09/23
2014/09/24
2014/09/27
2014/09/28
2014/09/29
2014/09/30
2014/10/01
2014/10/02
2014/10/03
|
2014/09/21
2014/09/22
2014/09/23
2014/09/24
2014/09/27
2014/09/28
2014/09/29
2014/09/30
2014/10/01
2014/10/02
2014/10/03
|
| C | M | X |
|---|---|---|
| 10 | 3 | 1 |
The top 10 solar flares from sunspot region 12173
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.05 | 2014/10/02 | 18:49 | 19:01 | 19:14 | |
| 2 | M7.31 | 2014/09/28 | 02:39 | 02:58 | 03:19 | |
| 3 | M1.5 | 2014/09/28 | 16:34 | 17:33 | 18:00 | |
| 4 | M1.3 | 2014/10/03 | 06:36 | 06:48 | 07:14 | |
| 5 | C9.01 | 2014/09/28 | 06:59 | 07:08 | 07:17 | |
| 6 | C8.18 | 2014/10/03 | 02:57 | 03:04 | 03:15 | |
| 7 | C5.83 | 2014/09/28 | 20:27 | 20:35 | 20:55 | |
| 8 | C5.11 | 2014/10/02 | 22:51 | 22:54 | 22:56 | |
| 9 | C4.65 | 2014/09/29 | 19:42 | 21:32 | 22:55 | |
| 10 | C3.62 | 2014/09/30 | 04:10 | 04:44 | 05:10 |
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |