Sunspot region AR8470

Number of
sunspots
Size Class Magn. Class Spot Location
1999/02/23 4 10 BXO S23E72
1999/02/24 3 90 DAO S24E59
1999/02/25 5 60 DSO S24E45
1999/02/26 9 40 CAO S23E32
1999/02/27 4 40 CSO S24E19
1999/02/28 1 30 HSX S23E04
1999/03/01 1 10 HSX S23W10
B
1

The top 1 solar flares from sunspot region 8470

Start Maximum End
1B5.211999/02/2607:4607:5007:56

Latest news

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!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.4
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
April 2025147 -7.6
Last 30 days128.8 -21.8

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

Social networks