Sunspot region AR8416
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/12/21 | 2 | 60 | DSO | N19E68 | |
| 1998/12/22 | 10 | 120 | EAO | N18E58 | |
| 1998/12/23 | 9 | 130 | DAO | N19E45 | |
| 1998/12/24 | 10 | 90 | DSO | N20E31 | |
| 1998/12/25 | 6 | 50 | DSO | N20E20 | |
| 1998/12/26 | 6 | 30 | CSO | N19E05 | |
| 1998/12/27 | 7 | 50 | CSO | N21W10 | |
| 1998/12/28 | 5 | 20 | CSO | N19W22 | |
| 1998/12/29 | 7 | 30 | CSO | N19W33 | |
| 1998/12/30 | 3 | 20 | CSO | N18W47 | |
| 1998/12/31 | 3 | 20 | CRO | N18W60 |
| C | M |
|---|---|
| 3 | 1 |
The top 4 solar flares from sunspot region 8416
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.11 | 1998/12/28 | 05:15 | 05:31 | 05:44 | |
| 2 | C2.96 | 1998/12/21 | 13:28 | 13:34 | 13:38 | |
| 3 | C2.01 | 1998/12/27 | 21:50 | 21:55 | 22:01 | |
| 4 | C1.87 | 1998/12/22 | 18:22 | 18:33 | 18:45 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| May 2024 | 140.5 +4 |
| Last 30 days | 172.8 +81.3 |