Viewing archive of Sunday, 20 September 2015 - 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 |
|---|---|---|---|---|---|
| 74 13 | 1 1 | B4.86 | M3.11 | 4 | 2 |
Sunspot regions
Region 12415 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 19 | 240 50 | EAC | S19W41 | |
|
||||
Solar flares on this day | ||||
| C3.58 B7.76 C1.99 M3.13 | ||||
Region 12418 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 1 | 230 | CHO | S14W07 | |
|
||||
Region 12419 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 50 -20 | CAI | N13W04 | |
|
||||
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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