Viewing archive of Saturday, 18 September 1999 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
152 81 -1C1.36C4.245

Sunspot regions

Region 8690

Number of
sunspots
Size Class Magn. Class Spot Location
13 -10 310 -130 EAO N16W74

Region 8692

Number of
sunspots
Size Class Magn. Class Spot Location
8 -8 170 EAO S25W53

Region 8693

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 -10 HSX N12W56

Region 8695

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 20 -10 HSX N21W16

Region 8699

Number of
sunspots
Size Class Magn. Class Spot Location
9 -4 170 -50 DSO N22W52

Solar flares on this day

C2.81 C3.31

Region 8700

Number of
sunspots
Size Class Magn. Class Spot Location
30 5 170 30 DAI N13E20

Solar flares on this day

C3.46

Region 8703

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 AXX N21W92

Region 8704

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 HSX S21E63

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-flare2024/12/22M1.1
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 days114 -43.9

This day in history*

Solar flares
12015M6.75
21998M3.34
32013M2.36
42013M1.97
52001M1.69
DstG
12002-67
22000-62G2
31989-60
42014-57
51982-53G1
*since 1994

Social networks