Sunspot region AR8091
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/10/02 | 6 | 20 | BXO | N22E72 | |
| 1997/10/03 | 5 | 40 | CRO | N25E60 | |
| 1997/10/04 | 6 | 60 | CSO | N25E47 | |
| 1997/10/05 | 5 | 40 | CSO | N23E34 | |
| 1997/10/06 | 5 | 30 | CSO | N23E21 | |
| 1997/10/07 | 3 | 10 | BXO | N24E07 | |
| 1997/10/08 | 1 | 0 | AXX | N24W09 |
| B |
|---|
| 4 |
The top 4 solar flares from sunspot region 8091
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.04 | 1997/10/05 | 17:48 | 17:57 | 18:17 | |
| 2 | B4.9 | 1997/10/03 | 05:15 | 05:24 | 05:30 | |
| 3 | B3.44 | 1997/10/02 | 12:57 | 13:03 | 13:11 | |
| 4 | B3.04 | 1997/10/03 | 11:51 | 12:05 | 12:33 |
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| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 103.3 -49.2 |
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