Viewing archive of Thursday, 4 November 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 | M |
|---|---|---|---|---|---|
| 108 -9 | 1 -1 | B9 | M1.13 | 4 | 1 |
Sunspot regions
Region 8742 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 70 -50 | HSX | N08W68 | |
Region 8745 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 30 -20 | CSO | S15W39 | |
Region 8747 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -2 | 90 -10 | ESO | N12W25 | |
Region 8749 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 26 -1 | 210 | ESO | S18W26 | |
Solar flares on this day | ||||
| C3.24 C4.24 C7.54 M1.13 | ||||
Region 8751 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 40 | HSX | N23E14 | |
Region 8752 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | S14E01 | |
Region 8753 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | N21E63 | |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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