Viewing archive of Wednesday, 17 April 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
89 -80B4C1.975

Sunspot regions

Region 11719

Number of
sunspots
Size Class Magn. Class Spot Location
3 50 -10 CSO N10W79
HMIIF
HMIBC

Solar flares on this day

C1.94 C1.07 C1.83 C1.79

Region 11721

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 120 10 CSO S17W61
HMIIF
HMIBC

Region 11722

Number of
sunspots
Size Class Magn. Class Spot Location
6 -2 90 50 DAO S19W48
HMIIF
HMIBC

Region 11723

Number of
sunspots
Size Class Magn. Class Spot Location
21 -2 200 20 DAI S18W05
HMIIF
HMIBC

Region 11724

Number of
sunspots
Size Class Magn. Class Spot Location
4 -3 40 -30 CSO S26E19
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 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-flare2024/12/08X2.2
Last M-flare2024/12/22M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024103.3 -49.2
Last 30 days115.4 -40.8

This day in history*

Solar flares
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
11982-101G3
22014-71G1
32001-59
41987-59
51989-58G1
*since 1994

Social networks