Sunspot region AR8735

Number of
sunspots
Size Class Magn. Class Spot Location
1999/10/17 9 10 BXO N18E40
1999/10/18 6 40 DSO N18E22
1999/10/19 6 30 CSO N19E09
1999/10/20 4 20 CRO N19W06
1999/10/21 3 10 BXO N18W19

Latest news

Support 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!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/02/04X4.3
Last M-flare2026/02/09M2.8
Last geomagnetic storm2026/02/05Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2026112.6 -11.4
February 2026135.3 +22.7
Last 30 days129.4 +28.1

This day in history*

Solar flares
12024M9.04
22023M3.7
32024M3.4
42002M2.32
52023M1.6
DstG
11986-119
21992-116G1
31982-105G2
41994-75G1
51968-69G2
*since 1994

Social networks