Sunspot region AR8074
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/08/12 | 1 | 90 | HSX | N26E75 | |
| 1997/08/13 | 1 | 30 | HSX | N26E63 | |
| 1997/08/14 | 4 | 40 | CSO | N26E52 | |
| 1997/08/15 | 2 | 30 | HSX | N27E38 | |
| 1997/08/16 | 5 | 30 | CSO | N27E27 | |
| 1997/08/17 | 1 | 20 | HRX | N27E11 | |
| 1997/08/18 | 2 | 0 | AXX | N27W02 |
| B |
|---|
| 3 |
The top 3 solar flares from sunspot region 8074
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B4.7 | 1997/08/21 | 04:28 | 04:35 | 04:46 | |
| 2 | B4.64 | 1997/08/12 | 05:49 | 05:55 | 06:01 | |
| 3 | B2.04 | 1997/08/18 | 17:11 | 17:17 | 17:45 |
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| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| April 2025 | 121 -13.2 |
| Last 30 days | 114 -22.8 |