Sunspot region AR9921
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/04/24 | 1 | 0 | AXX | N12E41 | |
| 2002/04/28 | 5 | 30 | DAO | N13W13 | |
| 2002/04/29 | 5 | 50 | DSO | N14W27 | |
| 2002/04/30 | 2 | 10 | CRO | N14W41 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 9921
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.39 | 2002/05/01 | 03:39 | 03:43 | 03:46 |
Latest news
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Latest forum messages
AR 13932 12Power transmission for all of us. And why I believe we are better prepared than ever for major solar events 11Strong far side CME 335Incoming & Unnumbered Active Regions 1353Unspecified geomagnetic activity 1750
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.1 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 103.3 -49.2 |
| Last 30 days | 114 -43.9 |