Viewing archive of Thursday, 22 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 |
|---|---|---|---|---|---|
| 127 3 | 1 | C1.57 | M1.02 | 2 | 1 |
Sunspot regions
Region 8631 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 30 | HSX | N12W54 | |
Region 8636 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 35 10 | 390 | FSO | N21E25 | |
Solar flares on this day | ||||
| C1.59 | ||||
Region 8637 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 10 -20 | AXX | N12W66 | |
Region 8639 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 6 | 50 30 | DSO | N38W37 | |
Solar flares on this day | ||||
| C3.69 | ||||
Region 8640 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 40 | HSX | N17E63 | |
Region 8641 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 0 -10 | AXX | N30W73 | |
Region 8642 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | BXO | S18E65 | |
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
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Latest forum messages
Do the high-resolution sunspot counts point to more complex sunspots? 68Feb 8-9 CMEs 31Richard Carrington 1Yes, we really went to the moon before. 7AR4366 1029
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