Viewing archive of Monday, 20 May 2013 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 113 | 2 2 | C1 | M2.53 | 6 | 2 |
Sunspot regions
Region 11744 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 50 -20 | CAO | N06W67 | |
|
||||
Region 11745 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -3 | 180 -30 | CAO | N13W40 | |
|
||||
Region 11746 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 140 20 | DSO | S27W40 | |
|
||||
Region 11747 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -4 | 20 -20 | HRX | S17W45 | |
|
||||
Region 11748 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 23 11 | 110 -30 | FAO | N12W00 | |
|
||||
Solar flares on this day | ||||
| C5.77 C3.91 M1.39 C8.68 C1.87 C1.95 | ||||
Region 11750 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 3 | 90 10 | DAI | S09W67 | |
|
||||
All times in UTC
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| December 2025 | 175.4 +83.6 |
| Last 30 days | 106.4 +12.9 |