Sunspot region AR8613
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/07/01 | 5 | 40 | CSO | N18E66 | |
| 1999/07/02 | 3 | 50 | CSO | N18E55 | |
| 1999/07/03 | 1 | 30 | HSX | N19E43 | |
| 1999/07/04 | 1 | 30 | HSX | N19E30 | |
| 1999/07/05 | 1 | 10 | AXX | N19E16 | |
| 1999/07/06 | 3 | 10 | BXO | N18E04 | |
| 1999/07/07 | 3 | 10 | BXO | N19W08 |
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 8613
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.94 | 1999/07/01 | 08:08 | 08:12 | 08:14 | |
| 2 | C6.71 | 1999/07/02 | 03:42 | 03:57 | 04:11 | |
| 3 | C1.69 | 1999/07/09 | 09:46 | 09:51 | 09:54 | |
| 4 | C1.21 | 1999/07/09 | 02:10 | 02:13 | 02:16 |
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|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 159.7 -53.2 |