Sunspot region AR8523
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/25 | 3 | 0 | BXO | N32E42 | |
| 1999/04/26 | 4 | 10 | BXO | N31E28 | |
| 1999/04/27 | 9 | 20 | BXO | N30E16 | |
| 1999/04/28 | 12 | 40 | CSO | N31E03 | |
| 1999/04/29 | 11 | 40 | CRO | N32W09 | |
| 1999/04/30 | 4 | 20 | BXO | N32W21 | |
| 1999/05/01 | 1 | 0 | AXX | N32W35 | |
| 1999/05/02 | 1 | 0 | AXX | N32W45 | |
| 1999/05/03 | 4 | 20 | BXO | N30W55 |
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 8523
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B8.54 | 1999/04/25 | 07:46 | 07:52 | 07:57 | |
| 2 | B8.51 | 1999/04/28 | 12:06 | 12:11 | 12:16 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| February 2026 | 114 -10 |
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