Viewing archive of Friday, 16 July 1999 - 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 |
|---|---|---|---|---|---|
| 97 -12 | 0 -1 | B4.29 | M4.49 | 2 | 3 |
Sunspot regions
Region 8625 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 1 | 20 -10 | CRO | S18W40 | |
Region 8627 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 -1 | 130 -10 | FAO | S14W20 | |
Region 8628 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 19 3 | 140 -10 | EAO | N18W35 | |
Region 8631 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 120 -10 | HAX | N11E24 | |
Region 8634 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 -10 | HRX | S19E30 | |
Region 8635 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | N42W64 | |
Solar flares on this day | ||||
| M1.09 | ||||
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Gillam, MB, Yellowknife, NTLatest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
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Latest alerts
Monday, 14 April 2025
23:15 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 23:01 UTC
07:09 UTC - Solar flare
Moderate M4.28 flare from sunspot region 4055
06:48 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.53)
06:24 UTC - Solar flare
Moderate M1.49 flare from sunspot region 4055
06:06 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.16)
Space weather facts
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| Last M-flare | 2025/04/14 | M4.2 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| April 2025 | 128.8 -5.4 |
| Last 30 days | 129.1 -15.1 |