Viewing archive of Saturday, 20 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
1010 -3B3.86C2.289

Sunspot regions

Region 11721

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 HSX S18W0*
HMIIF
HMIBC

Region 11722

Number of
sunspots
Size Class Magn. Class Spot Location
4 -2 30 -10 CRO S20W86
HMIIF
HMIBC

Region 11723

Number of
sunspots
Size Class Magn. Class Spot Location
9 -5 60 -40 CAO S19W44
HMIIF
HMIBC

Solar flares on this day

C1.12

Region 11724

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 10 -10 AXX S26W19
HMIIF
HMIBC

Region 11725

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 10 -10 BXO N10W70
HMIIF
HMIBC

Region 11726

Number of
sunspots
Size Class Magn. Class Spot Location
15 11 180 160 EAI N13W05
HMIIF
HMIBC

Solar flares on this day

C2.29 C2.03 C1.58 C2.02 B5.48 C1.49 C1.62 C1.63 C1.84

Region 11727

Number of
sunspots
Size Class Magn. Class Spot Location
9 7 50 10 DAO N25E44
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!

100%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/11M1.3
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024175.7 +9.3
Last 30 days166.1 +21.7

This day in history*

Solar flares
12012M8.59
22012M4.14
32005M3.59
42012M3.56
52003M2.36
DstG
11960-339G5
21998-131G2
31989-121G1
41999-106G2
51979-92G1
*since 1994

Social networks