Viewing archive of Sunday, 28 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 | M |
|---|---|---|---|---|---|
| 173 -14 | 0 -1 | C1.41 | M5.06 | 8 | 3 |
Sunspot regions
Region 8771 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -2 | 720 | EKI | S14W78 | |
Solar flares on this day | ||||
| C4.13 M5.06 M1.66 C7.61 C7.34 | ||||
Region 8772 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 5 | 10 10 | BXO | N10W45 | |
Region 8773 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 20 -10 | BXO | S12W60 | |
Region 8774 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | N20W34 | |
Region 8776 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 80 30 | DSO | S27W72 | |
Region 8778 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 36 7 | 180 40 | EAI | S14W19 | |
Region 8779 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 40 30 | DRO | S11W70 | |
Region 8780 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | S16E14 | |
Region 8781 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 9 | 100 20 | DSO | S13E34 | |
Region 8782 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | BXO | N11E01 | |
All times in UTC
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| Last X-flare | 2026/02/04 | X4.21 |
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| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 62.7 -52.5 |