Sunspot region AR8544
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/15 | 3 | 10 | BXO | S20E60 | |
| 1999/05/16 | 12 | 90 | DAO | S21E48 | |
| 1999/05/17 | 15 | 160 | DAO | S20E34 | |
| 1999/05/18 | 16 | 180 | EAO | S20E20 | |
| 1999/05/19 | 19 | 150 | EAO | S20E06 | |
| 1999/05/20 | 23 | 130 | EAO | S19W07 | |
| 1999/05/21 | 28 | 140 | EAO | S20W20 | |
| 1999/05/22 | 20 | 170 | EAI | S19W35 | |
| 1999/05/23 | 14 | 190 | ESO | S21W47 | |
| 1999/05/24 | 9 | 150 | FSO | S22W59 | |
| 1999/05/25 | 7 | 160 | FAO | S20W72 | |
| 1999/05/26 | 2 | 70 | CAO | S22W80 | |
| 1999/05/27 | 1 | 60 | HAX | S22W93 |
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 8544
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.39 | 1999/05/26 | 18:57 | 19:01 | 19:06 | |
| 2 | B9.79 | 1999/05/15 | 09:16 | 09:21 | 09:26 |
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| Last X-flare | 2024/11/06 | X2.39 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.9 -23.5 |
| Last 30 days | 155.8 +4.5 |