Sunspot region AR8673
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/08/20 | 1 | 100 | HSX | S17E81 | |
| 1999/08/21 | 2 | 280 | HHX | S19E66 | |
| 1999/08/22 | 16 | 400 | FHO | S19E55 | |
| 1999/08/23 | 13 | 490 | DKO | S20E43 | |
| 1999/08/24 | 28 | 540 | FKI | S19E32 | |
| 1999/08/25 | 14 | 430 | CKO | S20E18 | |
| 1999/08/26 | 18 | 410 | FKO | S21E08 | |
| 1999/08/27 | 13 | 410 | FKO | S19W08 | |
| 1999/08/28 | 14 | 440 | CHO | S19W24 | |
| 1999/08/29 | 3 | 370 | CHO | S23W38 | |
| 1999/08/30 | 2 | 290 | HHX | S19W51 | |
| 1999/08/31 | 2 | 270 | HHX | S19W64 | |
| 1999/09/01 | 2 | 170 | HAX | S20W76 | |
| 1999/09/02 | 1 | 210 | HRX | S19W94 |
| C | M |
|---|---|
| 2 | 1 |
The top 3 solar flares from sunspot region 8673
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.02 | 1999/08/27 | 04:51 | 05:36 | 05:51 | |
| 2 | C4.77 | 1999/08/25 | 21:19 | 21:43 | 21:55 | |
| 3 | C3.1 | 1999/08/30 | 10:19 | 10:22 | 10:31 |
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Reykjavik
Latest 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
Latest forum messages
jsoc 108Unexplained proton activity 52AR4048 97Temporary Topic - Ongoing Solar Proton Events 14Unspecified geomagnetic activity 2188
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Latest alerts
Wednesday, 2 April 2025
04:03 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 04:56 UTC
01:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 01:32 UTC
Tuesday, 1 April 2025
22:51 UTC - Solar flare
Moderate M2.5 flare
22:30 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.45)
07:15 UTC - 10cm Radio Burst
Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| April 2025 | 147 -7.6 |
| Last 30 days | 129.8 -18.9 |