Viewing archive of Thursday, 21 August 2014 - Sunspot regions
It appears that the image of the visible solar disk for this day in history is missing.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 128 39 | 1 | B8.29 | M4.91 | 8 | 2 |
Sunspot regions
Region 12139 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 30 -20 | DAO | N15W49 | |
|
||||
Region 12141 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -4 | 50 -30 | CSI | N16W20 | |
|
||||
Region 12143 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 3 | 50 20 | DAI | S04W26 | |
|
||||
Region 12144 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 100 | DAO | S17W0* | |
Region 12146 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 5 | 120 -30 | CSI | N09E21 | |
|
||||
Solar flares on this day | ||||
| C1.21 | ||||
Region 12147 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 40 -10 | CAO | S09E33 | |
|
||||
Region 12148 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 30 | DRO | N06E41 | |
|
||||
Solar flares on this day | ||||
| C2.44 | ||||
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Space weather facts
| Last X-flare | 2024/10/31 | X2.03 |
| Last M-flare | 2024/11/05 | M2.6 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2024 | 141.4 -74.1 |
| November 2024 | 215.8 +74.4 |
| Last 30 days | 161.1 +7.2 |