Sunspot region AR8100
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/10/28 | 5 | 80 | CSO | S21E67 | |
| 1997/10/29 | 9 | 130 | CAO | S20E55 | |
| 1997/10/30 | 15 | 200 | DAO | S21E44 | |
| 1997/10/31 | 22 | 220 | DAO | S19E30 | |
| 1997/11/01 | 16 | 260 | EKI | S20E15 | |
| 1997/11/02 | 27 | 210 | EAI | S19E01 | |
| 1997/11/03 | 36 | 290 | EKI | S19W12 | |
| 1997/11/04 | 34 | 660 | FKC | S20W27 | |
| 1997/11/05 | 37 | 1000 | FKC | S21W39 | |
| 1997/11/06 | 19 | 900 | FKC | S20W53 | |
| 1997/11/07 | 21 | 760 | FKC | S19W68 | |
| 1997/11/08 | 17 | 630 | EKI | S19W77 | |
| 1997/11/09 | 9 | 480 | EKI | S20W90 |
1997/10/28
1997/10/29
1997/10/30
1997/10/31
1997/11/01
1997/11/02
1997/11/03
1997/11/04
1997/11/05
1997/11/06
1997/11/07
1997/11/08
|
1997/10/28
1997/10/29
1997/10/30
1997/10/31
1997/11/01
1997/11/02
1997/11/03
1997/11/04
1997/11/05
1997/11/06
1997/11/07
1997/11/08
|
| B | C | M | X |
|---|---|---|---|
| 9 | 25 | 6 | 2 |
The top 10 solar flares from sunspot region 8100
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X12.9 | 1997/11/06 | 11:49 | 11:55 | 12:01 | |
| 2 | X2.91 | 1997/11/04 | 05:52 | 05:58 | 06:02 | |
| 3 | M5.51 | 1997/11/04 | 02:32 | 02:42 | 03:03 | |
| 4 | M1.96 | 1997/11/03 | 09:03 | 09:10 | 09:13 | |
| 5 | M1.74 | 1997/11/04 | 01:27 | 01:35 | 01:40 | |
| 6 | M1.34 | 1997/11/03 | 19:55 | 20:16 | 20:36 | |
| 7 | M1.14 | 1997/11/03 | 04:32 | 04:38 | 04:49 | |
| 8 | M1.13 | 1997/11/03 | 22:16 | 22:24 | 22:32 | |
| 9 | C9.27 | 1997/11/05 | 06:17 | 06:41 | 06:56 | |
| 10 | C7.9 | 1997/10/28 | 12:51 | 12:56 | 13:00 |
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
Latest forum messages
CMEs from 2025/10/03 52Incoming & Unnumbered Active Regions 2109Comet C/2025 A6 (Lemmon) 72Coronal Hole 85 2Unspecified geomagnetic activity 3204
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |