Sunspot region AR8220
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/05/11 | 1 | 200 | HSX | S31E82 | |
| 1998/05/12 | 5 | 130 | CSO | S26E68 | |
| 1998/05/13 | 9 | 120 | DSO | S27E57 | |
| 1998/05/14 | 13 | 120 | DAO | S28E46 | |
| 1998/05/15 | 12 | 90 | ESO | S27E34 | |
| 1998/05/16 | 20 | 80 | ESO | S27E20 | |
| 1998/05/17 | 23 | 50 | ESI | S28E07 | |
| 1998/05/18 | 25 | 70 | CRO | S27W07 | |
| 1998/05/19 | 25 | 40 | BXI | S27W18 | |
| 1998/05/20 | 15 | 30 | BXO | S26W31 | |
| 1998/05/21 | 5 | 20 | BXO | S26W47 | |
| 1998/05/22 | 2 | 0 | AXX | S26W60 | |
| 1998/05/23 | 1 | 0 | AXX | S24W72 |
| C | M |
|---|---|
| 2 | 1 |
The top 3 solar flares from sunspot region 8220
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M5.29 | 1998/05/10 | 13:13 | 13:20 | 13:23 | |
| 2 | C3.21 | 1998/05/14 | 13:44 | 13:50 | 13:57 | |
| 3 | C1.29 | 1998/05/10 | 15:08 | 15:11 | 15:15 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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