Viewing archive of Saturday, 17 June 2023 - Sunspot regions
| 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 | |
|
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Solar flares on this day | ||||
| C4.4 | ||||
Region 13336 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 30 -50 | CRO | S21E30 | |
|
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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 | |
|
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Region 13339 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 | HSX | S19E70 | |
|
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Solar flares on this day | ||||
| C2.3 C2.2 | ||||
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Gillam, MB, Whitehorse, YTCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Edmonton, AB, Saskatoon, SK, Yellowknife, NTAnchorage, AK, Juneau, AK
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07:27 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 08:15 UTC
07:15 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 07:03 UTC
06:27 UTC - Coronal mass ejection arrival
CME impact detected - Current Solar Wind Speed 644km/sec - IMF: Bt (strength): 15nT & Bz: 0nT (South).
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Minor R1 radio blackout in progress (≥M1 - current: M1.03)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 121.5 -12.7 |
| Last 30 days | 114.6 -22.2 |