Viewing archive of Saturday, 22 April 2017 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 29 -10 | 0 -1 | B1.43 | C1.37 | 1 |
Sunspot regions
Region 12651 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 2 | 130 | CAO | N12E30 | |
|
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Solar flares on this day | ||||
| C1.33 B2.55 | ||||
Region 12652 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HRX | N13E45 | |
|
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Region 12653 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HAX | S09E82 | |
|
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Space weather facts
| Last X-flare | 2024/05/05 | X1.2 |
| Last M-flare | 2024/05/05 | M1.3 |
| Last geomagnetic storm | 2024/05/02 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 153.8 +59.7 |