Viewing archive of Friday, 22 September 2023 - 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 |
|---|---|---|---|---|---|
| 184 25 | 2 | C1.62 | M1.9 | 7 | 4 |
Sunspot regions
Region 13433 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 -10 | HSX | N28W62 | |
|
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Region 13435 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 280 -10 | DKI | N09E02 | |
|
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Solar flares on this day | ||||
| M1.2 C7.3 | ||||
Region 13437 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -2 | 120 -20 | DSO | S24W72 | |
|
||||
Solar flares on this day | ||||
| C9.8 | ||||
Region 13438 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 3 | 50 -30 | BXI | S02W06 | |
|
||||
Solar flares on this day | ||||
| C6.4 | ||||
Region 13439 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 30 -10 | CAO | S37E09 | |
|
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Region 13440 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 | HSX | N08E19 | |
|
||||
Region 13441 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 2 | 30 -20 | CRI | S05W31 | |
|
||||
Region 13442 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -6 | 30 | HSX | S25E36 | |
|
||||
Region 13443 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 8 | 150 110 | DAI | N19W40 | |
|
||||
Solar flares on this day | ||||
| C5.3 M1.4 M1.5 C3.4 C2.7 M1.9 C8.5 | ||||
Region 13444 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 | AXX | N24E23 | |
|
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Region 13445 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 | 100 | DAI | S15E33 | |
|
||||
Region 13446 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | N23E63 | |
|
||||
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
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CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 594X1.9 CME 1354Do the high-resolution sunspot counts point to more complex sunspots? 45New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 69Anomalous sunspots on the sun ? 5
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Space weather facts
| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M3.3 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 97 -27 |
| Last 30 days | 117.7 +5.8 |