Viewing archive of Thursday, 18 November 1999 - Sunspot regions
It appears that the image of the visible solar disk for this day in history is missing.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 194 -54 | 1 | C2.43 | M2.06 | 3 | 3 |
Sunspot regions
Region 8755 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 -10 | HSX | N22W88 | |
Region 8759 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 -10 | 180 -20 | CAO | N12W58 | |
Solar flares on this day | ||||
| M1.08 | ||||
Region 8760 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -9 | 60 -390 | HAX | N17W93 | |
Region 8763 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 10 -30 | BXO | S13W20 | |
Region 8765 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 41 3 | 1190 260 | EKC | S12W08 | |
Solar flares on this day | ||||
| C3.97 M1.19 | ||||
Region 8766 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 4 | 360 30 | EAC | N18E16 | |
Region 8767 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -4 | 20 | CSO | N42W68 | |
Region 8768 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 6 | 180 90 | EAI | N17W11 | |
Region 8769 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 110 30 | HSX | S12E53 | |
Region 8770 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 3 | 50 10 | DSO | S14W37 | |
Solar flares on this day | ||||
| C5.13 | ||||
Region 8771 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 | 70 | CSO | S13E59 | |
Solar flares on this day | ||||
| M2.06 | ||||
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| Last M-flare | 2024/12/22 | M1.1 |
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| Spotless days | |
|---|---|
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