Viewing archive of Saturday, 20 April 2002 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
185 30 -2C1.43C5.910

Sunspot regions

Region 9902

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 -20 HSX N12W84

Region 9906

Number of
sunspots
Size Class Magn. Class Spot Location
37 4 850 80 EKC S14W66

Region 9907

Number of
sunspots
Size Class Magn. Class Spot Location
8 -8 70 DSO S03W32

Region 9909

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 120 20 CSO N07E02

Region 9910

Number of
sunspots
Size Class Magn. Class Spot Location
17 -1 210 DAO S20W06

Region 9911

Number of
sunspots
Size Class Magn. Class Spot Location
6 2 40 20 CAO S13E11

Region 9912

Number of
sunspots
Size Class Magn. Class Spot Location
12 8 60 10 DAO N09E15

Solar flares on this day

C5.91

Region 9913

Number of
sunspots
Size Class Magn. Class Spot Location
6 30 BXO S15E23

Region 9914

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N04E72

All times in UTC

<< Go to daily overview page

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Fairbanks, AK
The solar wind speed is currently moderately high (625.4 km/sec.)

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!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Thursday, 27 March 2025
16:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 16:05 UTC

alert


15:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 14:59 UTC

alert


09:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 08:59 UTC

alert


06:27 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 54GW at 07:01 UTC


06:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 05:51 UTC

alert


Get instant alerts!

Space weather facts

Last X-flare2025/02/23X2.0
Last M-flare2025/03/27M2.0
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025130 -24.6
Last 30 days130 -22.2

This day in history*

Solar flares
12024X1.12
22024M9.7
32024M7.1
42001M6.17
52024M6.1
DstG
11959-176G3
21957-141G3
31984-105G3
42001-87G2
51976-78
*since 1994

Social networks