Sunspot region AR8518
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/18 | 2 | 60 | HAX | S16E66 | |
| 1999/04/19 | 4 | 80 | HAX | S14E53 | |
| 1999/04/20 | 11 | 100 | CAO | S14E40 | |
| 1999/04/21 | 16 | 160 | DAO | S15E29 | |
| 1999/04/22 | 17 | 160 | DAO | S15E15 | |
| 1999/04/23 | 18 | 170 | EAO | S15E04 | |
| 1999/04/24 | 18 | 160 | DAO | S14W10 | |
| 1999/04/25 | 9 | 120 | CAO | S14W23 | |
| 1999/04/26 | 8 | 80 | CAO | S13W38 | |
| 1999/04/27 | 2 | 90 | HSX | S13W51 | |
| 1999/04/28 | 1 | 70 | HSX | S13W64 | |
| 1999/04/29 | 1 | 70 | HSX | S13W76 | |
| 1999/04/30 | 1 | 60 | HSX | S13W93 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 8518
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.4 | 1999/04/20 | 01:42 | 01:46 | 01:48 |
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|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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