Sunspot region AR8142
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/01/23 | 5 | 10 | BXO | S21E07 | |
| 1998/01/24 | 7 | 20 | CRO | S21W06 | |
| 1998/01/25 | 10 | 50 | DSI | S21W20 | |
| 1998/01/26 | 8 | 90 | CAO | S21W35 | |
| 1998/01/27 | 8 | 120 | DSO | S22W49 | |
| 1998/01/28 | 10 | 110 | DSO | S21W65 | |
| 1998/01/29 | 3 | 80 | CAO | S22W78 | |
| 1998/01/30 | 1 | 30 | HAX | S21W94 |
| B | C |
|---|---|
| 2 | 3 |
The top 5 solar flares from sunspot region 8142
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.14 | 1998/01/26 | 22:19 | 22:35 | 22:47 | |
| 2 | C3.64 | 1998/01/25 | 19:14 | 19:36 | 19:51 | |
| 3 | C1.02 | 1998/01/26 | 17:50 | 17:55 | 17:57 | |
| 4 | B6.2 | 1998/01/26 | 16:13 | 16:16 | 16:18 | |
| 5 | B4.44 | 1998/01/26 | 21:03 | 21:06 | 21:08 |
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| Monthly mean Sunspot Number | |
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