Sunspot region AR13305

Number of
sunspots
Size Class Magn. Class Spot Location
2023/05/12 3 30 CAO N10E38
2023/05/13 8 30 CRO N10E24
2023/05/14 14 70 DAI N10E11
2023/05/15 24 110 DAI N10W03
2023/05/16 18 100 DAI N09W15
2023/05/17 19 110 DAI N09W30
2023/05/18 12 100 DSI N12W43
2023/05/19 18 240 DAI N12W56
2023/05/20 15 250 DKI N09W68
2023/05/21 7 210 DAI N12W82
2023/05/22 6 200 DAI N12W97
C
23

The top 10 solar flares from sunspot region 13305

Start Maximum End
1C9.92023/05/2121:3621:5822:13
2C6.42023/05/2020:1920:2820:34
3C5.42023/05/2111:2011:3011:45
4C5.12023/05/2003:0803:1703:22
5C5.12023/05/2019:5720:1720:19
6C4.92023/05/2206:0606:1206:17
7C4.62023/05/2115:0415:1715:29
8C4.52023/05/2107:4007:5908:12
9C4.52023/05/2120:5521:0121:16
10C4.42023/05/1320:4720:5521:00

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-flare2026/02/04M1.8
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
February 2026133 +9
Last 30 days121.6 +13.3

This day in history*

Solar flares
12026X4.3
22014M7.48
32014M5.51
42026M4.9
52025M4.7
DstG
11983-172G4
21961-157G3
31992-101G1
41984-87G2
51957-86G1
*since 1994

Social networks