Sunspot region AR8399
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/12/01 | 4 | 40 | BXO | N30E23 | |
| 1998/12/02 | 5 | 60 | BXO | N24E09 | |
| 1998/12/03 | 3 | 10 | BXO | N26W04 | |
| 1998/12/04 | 1 | 0 | AXX | N29W22 | |
| 1998/12/08 | 2 | 10 | AXX | N29W66 | |
| 1998/12/09 | 3 | 40 | CRO | N29W80 | |
| 1998/12/10 | 3 | 30 | CRO | N29W92 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8399
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.63 | 1998/12/04 | 17:09 | 17:16 | 17:24 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
HUXt forecast has updated 1AR 4373 13Do the high-resolution sunspot counts point to more complex sunspots? 68Feb 8-9 CMEs 31Richard Carrington 1
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