Viewing archive of Monday, 18 May 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
83 82 2B6.29C1.573

Sunspot regions

Region 12339

Number of
sunspots
Size Class Magn. Class Spot Location
5 -15 240 -60 DSO N12W80
HMIIF
HMIBC

Region 12341

Number of
sunspots
Size Class Magn. Class Spot Location
2 60 HSX S19W58
HMIIF
HMIBC

Region 12342

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 80 20 HSX N17W51
HMIIF
HMIBC

Solar flares on this day

B9.23

Region 12344

Number of
sunspots
Size Class Magn. Class Spot Location
2 20 -10 HAX S09W26
HMIIF
HMIBC

Region 12346

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 10 -10 BXO S07W13
HMIIF
HMIBC

Region 12348

Number of
sunspots
Size Class Magn. Class Spot Location
1 100 -10 HSX S10E21
HMIIF
HMIBC

All times in UTC

<< Go to daily overview page

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-flare2026/02/03X1.5
Last M-flare2026/02/03M3.4
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
February 2026114 -10
Last 30 days118.8 +9.2

This day in history*

Solar flares
12014M7.48
22014M5.51
32025M4.7
42000M4.36
52002M3.41
DstG
11983-172G4
21961-157G3
31992-101G1
41984-87G2
51957-86G1
*since 1994

Social networks