Viewing archive of Wednesday, 18 February 1998 - 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 |
|---|---|---|---|---|
| 64 -21 | 0 | B1.71 | C6.9 | 3 |
Sunspot regions
Region 8156 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 | 480 -40 | EKI | S25W21 | |
Solar flares on this day | ||||
| C1.97 C6.9 B3.2 B5.06 B8.77 | ||||
Region 8157 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | N22E11 | |
Region 8158 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 10 -10 | BXO | S21W03 | |
Solar flares on this day | ||||
| B4.9 | ||||
Region 8160 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 20 | CRO | N22E11 | |
Region 8161 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | N25E40 | |
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