Viewing archive of Saturday, 17 April 2004 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxC
55 20 -1B1.0C1.811

Sunspot regions

Region 10591

Number of
sunspots
Size Class Magn. Class Spot Location
6 -8 70 -20 DAO S16W52

Region 10592

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 20 -10 HSX S11E19

Region 10594

Number of
sunspots
Size Class Magn. Class Spot Location
2 70 10 HAX N15E40

Region 10595

Number of
sunspots
Size Class Magn. Class Spot Location
4 40 CSO S09E68

<< Go to daily overview page

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!

48%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/04/20Kp5 (G1)
Number of spotless days in 2020:121
Current stretch spotless days:29

This day in history*

Solar flares
12003X1.2
21998M6.7
32003M2.8
41999M1.6
52003M1.5
ApG
12003109G4
2199441G1
3201134G1
4201028G1
5199826G3
*since 1994

Social networks