Sunspot region AR12909
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/12/15 | 6 | 150 | DAO | S21E70 | |
| 2021/12/16 | 5 | 150 | DAO | S19E66 | |
| 2021/12/17 | 6 | 210 | DSO | S20E42 | |
| 2021/12/18 | 6 | 210 | DAO | S20E29 | |
| 2021/12/19 | 4 | 120 | CAO | S21E16 | |
| 2021/12/20 | 5 | 100 | CSO | S20E03 | |
| 2021/12/21 | 3 | 80 | HAX | S19W13 | |
| 2021/12/22 | 3 | 70 | HSX | S21W26 | |
| 2021/12/23 | 2 | 50 | HAX | S21W40 | |
| 2021/12/24 | 1 | 20 | HRX | S22W53 |
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
|
2021/12/15
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
|
| B | C |
|---|---|
| 1 | 9 |
The top 10 solar flares from sunspot region 12909
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.9 | 2021/12/21 | 19:02 | 19:23 | 19:53 | |
| 2 | C4.5 | 2021/12/20 | 03:08 | 03:21 | 03:27 | |
| 3 | C3.4 | 2021/12/16 | 15:19 | 15:27 | 15:31 | |
| 4 | C3.0 | 2021/12/16 | 23:35 | 23:39 | 23:43 | |
| 5 | C2.3 | 2021/12/17 | 12:55 | 13:12 | 13:25 | |
| 6 | C1.8 | 2021/12/25 | 09:00 | 09:13 | 09:32 | |
| 7 | C1.4 | 2021/12/16 | 03:25 | 03:34 | 03:41 | |
| 8 | C1.3 | 2021/12/16 | 03:44 | 03:54 | 04:04 | |
| 9 | C1.1 | 2021/12/18 | 01:40 | 01:54 | 02:13 | |
| 10 | B7.8 | 2021/12/16 | 03:13 | 03:19 | 03:24 |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
Incoming & Unnumbered Active Regions 67AR14321 3AR14317 & 14318 21Discussions of unproven theories are no longer allowed 119GOES videos 4
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.8 +23 |
| Last 30 days | 109.7 +22.9 |