Viewing archive of Wednesday, 1 March 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 |
|---|---|---|---|---|---|
| 105 5 | 2 1 | C1.21 | M1.03 | 10 | 1 |
Sunspot regions
Region 13230 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 0 -10 | AXX | S23W72 | |
|
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Region 13234 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 -5 | 850 -10 | FKC | N24W48 | |
|
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Solar flares on this day | ||||
| C5.1 C3.3 C2.4 C3.1 C4.4 C3.0 C2.7 | ||||
Region 13236 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -4 | 30 -50 | CSO | S26W63 | |
|
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Solar flares on this day | ||||
| C4.2 C2.2 | ||||
Region 13237 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 0 | AXX | S08W39 | |
|
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Region 13238 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 | HSX | N09E34 | |
|
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Region 13239 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 10 | HSX | N30E51 | |
|
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Region 13240 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | S16E55 | |
|
||||
Solar flares on this day | ||||
| M1.0 C9.4 C6.4 | ||||
Region 13241 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 50 | HSX | N27E73 | |
|
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All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Do the high-resolution sunspot counts point to more complex sunspots? 57Current Farside Activity 371Incoming & Unnumbered Active Regions 154Feb 8-9 CMEs 21AR4366 999
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M2.8 |
| 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 | 135.3 +22.7 |
| Last 30 days | 127.2 +23.7 |