Viewing archive of Saturday, 17 June 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 |
|---|---|---|---|---|
| 110 -10 | 1 1 | C1.11 | C4.41 | 5 |
Sunspot regions
Region 13331 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 60 -10 | HSX | S23W66 | |
|
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Region 13333 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 2 | 240 20 | EAI | S11W04 | |
|
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Region 13334 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 10 | AXX | N16E21 | |
|
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Region 13335 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 | 390 10 | EKI | S15E23 | |
|
||||
Solar flares on this day | ||||
| C4.4 | ||||
Region 13336 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 30 -50 | CRO | S21E30 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
Region 13337 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N17E45 | |
|
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Region 13338 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 130 -10 | CSO | N11E45 | |
|
||||
Region 13339 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 | HSX | S19E70 | |
|
||||
Solar flares on this day | ||||
| C2.3 C2.2 | ||||
All times in UTC
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| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.4 -4.6 |
| Last 30 days | 121.1 +6.3 |