Viewing archive of Monday, 21 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 |
|---|---|---|---|---|
| 72 -26 | 0 -3 | B9 | C8.01 | 6 |
Sunspot regions
Region 8409 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -7 | 100 -110 | CSO | S28W87 | |
Region 8410 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 10 -20 | AXX | N24W42 | |
Region 8414 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 0 | AXX | N26E02 | |
Region 8415 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 -2 | 170 -100 | EAI | N20E36 | |
Solar flares on this day | ||||
| C2.07 | ||||
Region 8416 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 60 | DSO | N19E68 | |
Solar flares on this day | ||||
| C2.96 | ||||
Region 8417 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 0 | BXO | N22W64 | |
Region 8418 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 0 | BXO | S23E43 | |
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| Spotless days | |
|---|---|
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|---|---|
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