Sunspot region AR12904
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/12/04 | 1 | 10 | AXX | S26E54 | |
| 2021/12/05 | 3 | 30 | BXO | S25E40 | |
| 2021/12/06 | 4 | 10 | BXO | S27E30 | |
| 2021/12/07 | 3 | 10 | BXO | S26E17 | |
| 2021/12/08 | 1 | 10 | AXX | S26E03 |
2021/12/04
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2021/12/06
2021/12/07
2021/12/08
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2021/12/04
2021/12/05
2021/12/06
2021/12/07
2021/12/08
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| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 12904
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B9.6 | 2021/12/06 | 07:40 | 07:50 | 07:55 |
Latest news
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Latest forum messages
Filaments and prominences 517AR 13901 108Incoming & Unnumbered Active Regions 1246Sunspot Latitudes at or near Solar Maximum 76The Rotations of AR 13780 and AR 13902 1
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |