Viewing archive of Sunday, 18 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 | 2 | C3.13 | M2.41 | 5 | 5 |
Sunspot regions
Region 13784 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -2 | 650 -30 | DKC | N16W59 | |
|
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Solar flares on this day | ||||
| C4.6 M2.4 M1.1 M1.2 C5.0 | ||||
Region 13785 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -4 | 100 10 | DAI | S15W50 | |
|
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Region 13786 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 | HSX | S22W97 | |
|
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Region 13788 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 100 -30 | HSX | S08W35 | |
|
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Region 13789 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -5 | 50 | CAI | N27W25 | |
|
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Region 13790 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 1 | 280 160 | DKC | S12E32 | |
|
||||
Solar flares on this day | ||||
| C8.3 C4.5 | ||||
Region 13791 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 | AXX | S18E20 | |
|
||||
Region 13792 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 260 40 | HHX | S17E46 | |
|
||||
Region 13793 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 80 40 | DAO | N22E35 | |
|
||||
Solar flares on this day | ||||
| C5.6 | ||||
Region 13794 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 7 | 60 50 | CAO | N18E17 | |
|
||||
Region 13795 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N04E69 | |
|
||||
Region 13796 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 50 | CAO | S05E72 | |
|
||||
Solar flares on this day | ||||
| M1.3 | ||||
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
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Sunday, 18 January 2026
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Latest forum messages
Unspecified geomagnetic activity 71Incoming & Unnumbered Active Regions 171AR4366 1031AR4374 22Do the high-resolution sunspot counts point to more complex sunspots? 73
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 100.6 -12 |
| Last 30 days | 117.7 +9.9 |