Viewing archive of Sunday, 17 February 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 |
|---|---|---|---|---|---|
| 74 -1 | 1 -1 | B3.29 | M2.8 | 3 | 1 |
Sunspot regions
Region 11671 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 90 | CSO | N14W08 | |
Region 11672 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S17W29 | |
Region 11673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 10 | 100 60 | CSO | S10E56 | |
Region 11675 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 | 10 | BXO | N12E31 | |
Solar flares on this day | ||||
| C1.42 B7.85 B5.21 C3.64 M2.9 C1.43 B7.74 B8.83 | ||||
Region 11676 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HAX | S18E78 | |
All times in UTC
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| Spotless days | |
|---|---|
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