Sunspot region AR8574
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/06 | 3 | 10 | CRO | N30E40 | |
| 1999/06/07 | 13 | 50 | DAO | N29E28 | |
| 1999/06/08 | 16 | 220 | DAO | N28E14 | |
| 1999/06/09 | 25 | 260 | EAI | N28E01 | |
| 1999/06/10 | 27 | 300 | EAI | N29W12 | |
| 1999/06/11 | 25 | 250 | EAI | N29W25 | |
| 1999/06/12 | 18 | 160 | ESO | N29W37 | |
| 1999/06/13 | 11 | 170 | EAO | N30W50 | |
| 1999/06/14 | 6 | 100 | CSO | N30W63 | |
| 1999/06/15 | 4 | 70 | CAO | N30W76 | |
| 1999/06/16 | 1 | 50 | HAX | N30W91 |
| C |
|---|
| 8 |
The top 8 solar flares from sunspot region 8574
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.87 | 1999/06/12 | 21:13 | 21:24 | 21:44 | |
| 2 | C4.39 | 1999/06/09 | 18:53 | 19:03 | 19:12 | |
| 3 | C3.79 | 1999/06/08 | 17:49 | 18:00 | 18:10 | |
| 4 | C2.61 | 1999/06/09 | 13:34 | 13:52 | 14:04 | |
| 5 | C2.06 | 1999/06/11 | 07:27 | 07:39 | 07:48 | |
| 6 | C1.9 | 1999/06/09 | 14:18 | 14:23 | 14:42 | |
| 7 | C1.84 | 1999/06/09 | 17:07 | 17:12 | 17:21 | |
| 8 | C1.54 | 1999/06/08 | 13:16 | 13:20 | 13:25 |
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|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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