Viewing archive of Monday, 13 December 1999 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 147 50 | 4 4 | B7.86 | C2.13 | 2 |
Sunspot regions
Region 8785 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 80 -10 | CAO | N14W73 | |
Region 8788 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -7 | 380 -60 | FHO | N10W51 | |
Region 8790 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -9 | 10 -30 | BXO | N12W35 | |
Region 8792 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 30 -50 | CAO | N17E16 | |
Region 8793 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 0 -10 | AXX | S17W33 | |
Region 8794 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | CSO | S14E19 | |
Region 8795 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -6 | 40 -20 | DAO | S13W21 | |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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