Viewing archive of Friday, 23 July 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 |
|---|---|---|---|---|---|
| 158 31 | 1 | C5.14 | M1.79 | 4 | 5 |
Sunspot regions
Region 8631 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 20 -10 | AXX | N11W69 | |
Region 8636 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 45 10 | 550 160 | FKI | N21E12 | |
Solar flares on this day | ||||
| C9.49 M1.34 | ||||
Region 8639 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 1 | 400 350 | DAI | N38W50 | |
Region 8640 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 10 | HSX | N17E49 | |
Region 8642 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 40 20 | DSO | S18E51 | |
Region 8643 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | N21W62 | |
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