Viewing archive of Friday, 20 April 2001 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxCM
103 180 -2B5.4M4.1982

Sunspot regions

Region 9429

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 -20 HSX N08W04

Region 9432

Number of
sunspots
Size Class Magn. Class Spot Location
9 3 50 20 DAO N07E06

Solar flares on this day

C1.5

Region 9433

Number of
sunspots
Size Class Magn. Class Spot Location
17 15 590 440 FHO N17E64

Solar flares on this day

M1.0 C1.9 C4.0 M4.1

Region 9434

Number of
sunspots
Size Class Magn. Class Spot Location
4 50 DAO N19W23

Region 9435

Number of
sunspots
Size Class Magn. Class Spot Location
4 20 CSO S21E28

<< 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%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:242
Current stretch spotless days:15

This day in history*

Solar flares
11999M7.4
22003M4.2
32001M2.8
42002M2.0
52003M1.2
ApG
1200339G1
2200113
3199613
4199912
5201410
*since 1994

Social networks