Viewing archive of Thursday, 17 December 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 | M |
|---|---|---|---|---|---|
| 93 -25 | 1 | B8.29 | M4.59 | 6 | 3 |
Sunspot regions
Region 8406 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HSX | S27W48 | |
Region 8408 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 1 | 220 -50 | DAO | S17W53 | |
Solar flares on this day | ||||
| C1.32 C6.54 | ||||
Region 8409 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 26 6 | 250 -20 | ESI | S27W38 | |
Region 8410 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 60 -30 | CSO | N23E09 | |
Region 8411 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 10 | BXO | S28E00 | |
Region 8412 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | S15W67 | |
Region 8414 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | BXO | N21E49 | |
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