Viewing archive of Saturday, 18 July 1998 - Sunspot regions
It appears that the image of the visible solar disk for this day in history is missing.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 76 -13 | 0 | B1.57 | C3.64 | 1 |
Sunspot regions
Region 8269 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 0 -10 | AXX | N24W23 | |
Region 8270 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -8 | 40 -30 | CSO | S22W25 | |
Region 8272 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -3 | 10 -20 | BXO | S28E31 | |
Region 8273 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 3 | 30 10 | CRO | S28W07 | |
Region 8274 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 | 150 100 | DAO | S20W05 | |
Region 8275 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | N16E51 | |
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