Viewing archive of Saturday, 4 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 |
|---|---|---|---|---|
| 78 -29 | 0 | C1.01 | C6.16 | 3 |
Sunspot regions
Region 8781 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -7 | 190 -90 | DAO | S12W42 | |
Region 8782 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 1 | 310 -90 | FAI | N10W83 | |
Region 8785 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 100 -60 | HSX | N13E43 | |
Region 8786 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 0 -10 | BXO | N22W23 | |
Region 8787 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 0 | AXX | N11E30 | |
Region 8788 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 270 90 | HKX | N10E66 | |
Solar flares on this day | ||||
| C6.16 | ||||
Region 8789 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 10 | BXO | N29W23 | |
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| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.1 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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