Sunspot region AR8123
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/12/15 | 3 | 10 | BXO | N19E61 | |
| 1997/12/16 | 7 | 60 | DSO | N18E46 | |
| 1997/12/17 | 10 | 150 | DSO | N18E32 | |
| 1997/12/18 | 10 | 130 | DSO | N18E20 | |
| 1997/12/19 | 14 | 100 | DSO | N19E06 | |
| 1997/12/20 | 6 | 70 | CSO | N18W08 | |
| 1997/12/21 | 6 | 70 | DSO | N18W20 | |
| 1997/12/22 | 3 | 40 | CSO | N18W36 | |
| 1997/12/23 | 1 | 20 | HSX | N18W51 | |
| 1997/12/24 | 1 | 0 | AXX | N18W64 | |
| 1997/12/25 | 1 | 0 | AXX | N18W77 |
| B | C |
|---|---|
| 4 | 1 |
The top 5 solar flares from sunspot region 8123
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.5 | 1997/12/15 | 18:34 | 18:46 | 18:50 | |
| 2 | B6.31 | 1997/12/15 | 19:33 | 19:38 | 19:50 | |
| 3 | B5.07 | 1997/12/19 | 07:07 | 07:10 | 07:15 | |
| 4 | B5.01 | 1997/12/15 | 13:50 | 13:59 | 14:05 | |
| 5 | B3.57 | 1997/12/15 | 12:16 | 12:21 | 12:25 |
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| Monthly mean Sunspot Number | |
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