Viewing archive of Tuesday, 23 November 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 |
|---|---|---|---|---|
| 157 -22 | 0 | C1.71 | C2.96 | 5 |
Sunspot regions
Region 8765 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -11 | 720 -70 | EKC | S13W72 | |
Region 8766 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 -2 | 90 -30 | DAO | N17W49 | |
Region 8768 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -2 | 100 20 | ESO | N16W78 | |
Region 8771 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 -8 | 280 60 | EAI | S16W11 | |
Solar flares on this day | ||||
| C2.96 C2.93 C2.36 | ||||
Region 8772 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 2 | 40 20 | CSO | N05E16 | |
Region 8773 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 1 | 20 | CRO | S15W02 | |
Region 8776 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 | 80 60 | DAO | S29W01 | |
Region 8777 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 0 -10 | AXX | S26E27 | |
Region 8778 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | AXX | S12E48 | |
All times in UTC
Latest news
Sunday, 1 February 2026
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Latest forum messages
Feb 8-9 CMEs 31Do the high-resolution sunspot counts point to more complex sunspots? 65Richard Carrington 1Yes, we really went to the moon before. 7AR4366 1029
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