Sunspot region AR8508
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/04 | 3 | 50 | HSX | N19E77 | |
| 1999/04/05 | 6 | 90 | CAO | N20E63 | |
| 1999/04/06 | 15 | 160 | DAO | N21E49 | |
| 1999/04/07 | 14 | 110 | EAO | N21E36 | |
| 1999/04/08 | 21 | 120 | DAI | N22E24 | |
| 1999/04/09 | 39 | 190 | DAI | N22E12 | |
| 1999/04/10 | 33 | 150 | DAI | N23W02 | |
| 1999/04/11 | 36 | 190 | DAI | N22W16 | |
| 1999/04/12 | 25 | 120 | EAI | N21W28 | |
| 1999/04/13 | 13 | 60 | DSO | N22W42 | |
| 1999/04/14 | 6 | 30 | BXO | N21W55 | |
| 1999/04/15 | 3 | 10 | BXO | N23W66 |
| B | C |
|---|---|
| 3 | 16 |
The top 10 solar flares from sunspot region 8508
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C9.86 | 1999/04/08 | 08:36 | 08:43 | 08:49 | |
| 2 | C5.07 | 1999/04/06 | 06:52 | 07:05 | 07:22 | |
| 3 | C5.01 | 1999/04/08 | 08:57 | 09:01 | 09:03 | |
| 4 | C4.93 | 1999/04/08 | 17:14 | 17:18 | 17:21 | |
| 5 | C3.89 | 1999/04/11 | 03:33 | 03:39 | 03:43 | |
| 6 | C3.23 | 1999/04/08 | 07:39 | 07:48 | 07:54 | |
| 7 | C3.07 | 1999/04/08 | 05:11 | 05:19 | 05:25 | |
| 8 | C2.53 | 1999/04/09 | 14:08 | 14:29 | 14:40 | |
| 9 | C2.26 | 1999/04/10 | 05:28 | 06:15 | 07:30 | |
| 10 | C1.89 | 1999/04/07 | 09:20 | 09:24 | 09:27 |
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|---|---|
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