SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR8340

Number of
sunspots		 Size Class Magn. Class Spot Location
1998/09/18 1 150 HHX N20E76
1998/09/19 8 360 DKO N22E64
1998/09/20 12 470 CKO N19E50
1998/09/21 11 490 DKO N19E38
1998/09/22 21 540 DKO N19E25
1998/09/23 28 380 DAI N20E11
1998/09/24 31 460 EKO N20W02
1998/09/25 25 520 DKO N20W15
1998/09/26 18 390 DKI N20W27
1998/09/27 18 350 CKI N21W40
1998/09/28 8 300 CKO N19W54
1998/09/29 7 320 CHO N20W68
1998/09/30 1 230 HSX N19W82
1998/10/01 1 100 HSX N19W93
BCM
2122

The top 10 solar flares from sunspot region 8340

Start Maximum End
1M9.961998/09/2306:4007:1307:31
2M4.11998/09/3013:0813:5014:48
3C8.811998/09/2901:5402:0202:09
4C8.591998/09/2723:3723:4223:49
5C7.541998/09/2716:2316:4216:46
6C4.741998/09/2805:4405:5305:58
7C4.031998/09/2107:3608:0608:23
8C3.771998/09/2708:0608:1308:23
9C3.271998/09/2322:4322:5022:55
10C2.871998/09/2118:1218:2118:34
Back to top

Latest news

Latest forum messages

Unexplained proton activity 4701/21/2025 AR 3967 M3.3 CME 3Filaments and prominences 624Strong far side CME 369Comet C/2024 G3 (ATLAS) in LASCO C3 27
More topics

Support 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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/01/22M1.3
Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2024154.5 +2
January 2025145.2 -9.3
Last 30 days162 +43.1

This day in history*

Solar flares
12024M3.45
21999M2.14
32024M2.11
42024M2.07
52015M2.03
DstG
11957-235G4
22004-130G3
32005-97G2
42000-91G1
52012-70G1
*since 1994

Social networks

SpaceWeatherLive