Viewing archive of Friday, 12 March 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 | M |
|---|---|---|---|---|---|
| 98 3 | 0 -1 | B7.14 | M1.35 | 14 | 1 |
Sunspot regions
Region 8477 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -2 | 200 40 | CSO | S29W58 | |
Region 8483 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 70 40 | DAO | S19W74 | |
Region 8484 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 4 | 120 -20 | DAO | S23E41 | |
Region 8485 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 7 | 290 40 | EAO | N22E27 | |
Solar flares on this day | ||||
| C1.99 C1.5 C1.69 C1.5 C1.24 | ||||
Region 8487 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | BXO | N17E63 | |
Solar flares on this day | ||||
| C3.34 C2.71 C1.56 C1.11 M1.35 C4.61 C1.96 | ||||
All times in UTC
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| Spotless days | |
|---|---|
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| Last 30 days | 60 -62.3 |