Viewing archive of Saturday, 4 September 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 |
|---|---|---|---|---|
| 103 -13 | 0 -1 | B7 | C1.39 | 2 |
Sunspot regions
Region 8675 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -12 | 40 -30 | CSO | N19W55 | |
Region 8677 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 -10 | HSX | N08W48 | |
Region 8681 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -9 | 120 -40 | CAO | N20W73 | |
Region 8682 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 3 | 10 | BXO | N18W02 | |
Region 8685 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 0 | AXX | S08E28 | |
Region 8686 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 20 10 | CRO | S25W36 | |
Region 8687 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 10 -10 | BXO | N10W21 | |
Region 8688 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 10 | BXO | S24E14 | |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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