Viewing archive of Saturday, 17 August 2024 - 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 |
|---|---|---|---|---|---|
| 170 1 | 2 | C3.19 | M1.65 | 1 | 4 |
Sunspot regions
Region 13780 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 170 | CSO | S08W0* | |
|
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Region 13781 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 | HSX | N16W95 | |
|
||||
Region 13782 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N04W67 | |
|
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Region 13784 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 -1 | 680 80 | DKC | N15W45 | |
|
||||
Solar flares on this day | ||||
| M1.6 | ||||
Region 13785 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 7 | 90 60 | EAI | S13W34 | |
|
||||
Solar flares on this day | ||||
| M1.1 | ||||
Region 13786 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -5 | 90 30 | HSX | S22W83 | |
|
||||
Region 13788 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 130 10 | CSO | S08W18 | |
|
||||
Region 13789 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 5 | 50 30 | DAI | N27W14 | |
|
||||
Region 13790 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 6 | 120 50 | DSI | S12E47 | |
|
||||
Solar flares on this day | ||||
| C5.0 M1.1 M1.4 | ||||
Region 13791 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 10 -10 | BXO | S18E34 | |
|
||||
Region 13792 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 220 150 | HSX | S16E60 | |
|
||||
Region 13793 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 40 | DSO | N22E48 | |
|
||||
Region 13794 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HAX | N19E33 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 139.3 +26.7 |
| Last 30 days | 124.9 +18 |