Viewing archive of Monday, 17 January 2022 - 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 |
|---|---|---|---|---|
| 99 -4 | 0 -1 | B3.15 | C2.84 | 3 |
Sunspot regions
Region 12925 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 -30 | AXX | S35W84 | |
|
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Solar flares on this day | ||||
| B4.7 | ||||
Region 12927 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 -20 | HSX | S22W40 | |
|
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Region 12929 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -3 | 270 -40 | DKC | N07W46 | |
|
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Region 12930 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 3 | 170 70 | DAC | N21W48 | |
|
||||
Solar flares on this day | ||||
| C2.8 C2.6 C2.7 | ||||
Region 12931 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 10 -80 | AXX | N13W80 | |
|
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Region 12932 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 10 | AXX | N34E33 | |
|
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Region 12933 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 2 | 80 20 | DSO | S21W08 | |
|
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All times in UTC
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
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Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
CMes from ar 4392 (19-21st of march) 127Current Farside Activity 420Incoming & Unnumbered Active Regions 228An interesting article about the suns dynamo 2AR4392 (including CMEs) 120
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 80.1 +1.9 |
| Last 30 days | 64.9 -40.9 |