Sunspot region AR12908
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/12/15 | 6 | 300 | DKO | S19E62 | |
| 2021/12/16 | 10 | 210 | DAO | S19E44 | |
| 2021/12/17 | 18 | 270 | DKI | S18E29 | |
| 2021/12/18 | 15 | 270 | DKI | S18E15 | |
| 2021/12/19 | 13 | 240 | EAI | S22E02 | |
| 2021/12/20 | 10 | 100 | CAI | S22W10 | |
| 2021/12/21 | 18 | 100 | DSI | S16W25 | |
| 2021/12/22 | 16 | 100 | DAI | S20W39 | |
| 2021/12/23 | 10 | 100 | CAI | S20W53 | |
| 2021/12/24 | 4 | 20 | CRO | S19W67 | |
| 2021/12/25 | 1 | 50 | HAX | S20W80 |
2021/12/15
2021/12/16
2021/12/17
2021/12/18
2021/12/19
2021/12/20
2021/12/21
2021/12/22
2021/12/23
2021/12/24
2021/12/25
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2021/12/15
2021/12/16
2021/12/17
2021/12/18
2021/12/19
2021/12/20
2021/12/21
2021/12/22
2021/12/23
2021/12/24
2021/12/25
|
| B | C | M |
|---|---|---|
| 1 | 21 | 2 |
The top 10 solar flares from sunspot region 12908
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.9 | 2021/12/20 | 11:12 | 11:36 | 11:55 | |
| 2 | M1.3 | 2021/12/22 | 06:54 | 07:06 | 07:21 | |
| 3 | C5.8 | 2021/12/24 | 06:20 | 06:27 | 06:48 | |
| 4 | C5.3 | 2021/12/24 | 11:33 | 12:12 | 12:36 | |
| 5 | C5.0 | 2021/12/21 | 07:06 | 07:22 | 07:34 | |
| 6 | C5.0 | 2021/12/21 | 17:35 | 17:50 | 18:04 | |
| 7 | C4.2 | 2021/12/24 | 09:59 | 10:13 | 10:20 | |
| 8 | C4.1 | 2021/12/21 | 05:58 | 06:10 | 06:19 | |
| 9 | C3.8 | 2021/12/24 | 07:47 | 07:52 | 07:56 | |
| 10 | C3.5 | 2021/12/24 | 10:20 | 10:25 | 10:39 |
Latest news
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M1.1 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |