Viewing archive of Saturday, 18 August 2001 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
148 -100 -2B8.43C511

Sunspot regions

Region 9570

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 -50 HAX S10W90

Region 9573

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX S08W49

Region 9574

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 40 -110 HSX S04W90

Region 9575

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 100 -30 CSO N11W02

Region 9577

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 10 -90 HSX N15W92

Region 9579

Number of
sunspots
Size Class Magn. Class Spot Location
1 -3 20 -20 HSX S22W50

Region 9580

Number of
sunspots
Size Class Magn. Class Spot Location
1 90 10 HAX N24E35

Region 9581

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 20 -30 HSX S25W42

Region 9582

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 20 -10 BXO N30E45

Solar flares on this day

C5 C2.04 C2.74 C4.56 C4.01

Region 9584

Number of
sunspots
Size Class Magn. Class Spot Location
5 3 40 20 CAO S13E47

Region 9585

Number of
sunspots
Size Class Magn. Class Spot Location
7 5 60 30 CSO N15E63

Solar flares on this day

C1.53

Region 9586

Number of
sunspots
Size Class Magn. Class Spot Location
2 20 BXO S15W47

Solar flares on this day

C1.71

Region 9587

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 HRX S11E56

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!

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

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/22M1.3
Last geomagnetic storm2025/04/21Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025121 -13.2
Last 30 days113 -27.2

This day in history*

Solar flares
11998X1.77
22003M7.4
32001M5.77
42024M3.64
52024M3.0
DstG
12023-165G4
21959-128G3
32012-106G2
41990-94G2
52001-83
*since 1994

Social networks