Viewing archive of Friday, 21 April 2000 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
211 322C1.24C6.9713

Sunspot regions

Region 8955

Number of
sunspots
Size Class Magn. Class Spot Location
10 -1 170 -90 EAO S21W46

Solar flares on this day

C2.37 C2.57

Region 8958

Number of
sunspots
Size Class Magn. Class Spot Location
8 4 60 40 DSO N19W53

Region 8959

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 10 AXX S16W78

Region 8962

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX N23W15

Region 8963

Number of
sunspots
Size Class Magn. Class Spot Location
11 -11 60 -20 CAO N16W18

Solar flares on this day

C3.39 C2.51 C1.71 C2.03 C2.69 C1.73 C2.91

Region 8964

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 -10 HRX N34W31

Region 8965

Number of
sunspots
Size Class Magn. Class Spot Location
3 -3 10 BXO S17E26

Region 8966

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 40 -30 HSX S13E38

Region 8967

Number of
sunspots
Size Class Magn. Class Spot Location
6 3 200 50 EAO N21E49

Solar flares on this day

C2.81

Region 8968

Number of
sunspots
Size Class Magn. Class Spot Location
11 7 90 70 DAO S13E14

Region 8969

Number of
sunspots
Size Class Magn. Class Spot Location
1 80 HRX N13E62

Region 8970

Number of
sunspots
Size Class Magn. Class Spot Location
2 350 HKX S14E77

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