Sunspot region AR8603
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/24 | 2 | 40 | CSO | S16E75 | |
| 1999/06/25 | 9 | 160 | EAO | S15E61 | |
| 1999/06/26 | 18 | 320 | FAI | S15E54 | |
| 1999/06/27 | 24 | 300 | FAI | S16E43 | |
| 1999/06/28 | 39 | 360 | FAI | S15E30 | |
| 1999/06/29 | 34 | 210 | EAI | S15E18 | |
| 1999/06/30 | 40 | 160 | EAI | S15E04 | |
| 1999/07/01 | 36 | 110 | EAI | S14W11 | |
| 1999/07/02 | 33 | 170 | EAI | S14W25 | |
| 1999/07/03 | 26 | 220 | EAI | S15W38 | |
| 1999/07/04 | 21 | 290 | EAI | S15W54 | |
| 1999/07/05 | 14 | 260 | EAI | S16W68 | |
| 1999/07/06 | 7 | 140 | DAO | S16W80 |
| C | M |
|---|---|
| 12 | 3 |
The top 10 solar flares from sunspot region 8603
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.8 | 1999/06/30 | 11:24 | 11:30 | 11:38 | |
| 2 | M2.47 | 1999/07/01 | 23:24 | 23:31 | 23:34 | |
| 3 | M1.13 | 1999/06/29 | 22:04 | 22:11 | 22:17 | |
| 4 | C8.26 | 1999/07/01 | 13:43 | 13:49 | 14:00 | |
| 5 | C7.79 | 1999/07/01 | 01:41 | 01:47 | 01:52 | |
| 6 | C4.99 | 1999/06/24 | 23:00 | 23:05 | 23:13 | |
| 7 | C4.37 | 1999/06/29 | 17:53 | 18:03 | 18:09 | |
| 8 | C4.36 | 1999/07/02 | 07:17 | 07:22 | 07:28 | |
| 9 | C3.87 | 1999/06/26 | 01:54 | 02:05 | 02:14 | |
| 10 | C3 | 1999/06/30 | 08:41 | 08:45 | 08:52 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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