Viewing archive of Thursday, 30 September 1999 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxC
841 -2B5.71C1.534

Sunspot regions

Region 8704

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 -20 HSX S19W90

Region 8706

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 60 -10 HSX N20W53

Region 8710

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 20 -10 HSX N19E38

Region 8711

Number of
sunspots
Size Class Magn. Class Spot Location
4 -2 20 10 CSO N22W45

Region 8712

Number of
sunspots
Size Class Magn. Class Spot Location
4 10 BXO S13W06

Region 8713

Number of
sunspots
Size Class Magn. Class Spot Location
2 0 AXX S13E62

Region 8714

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 AXX N11E72

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-flare2024/12/25M4.9
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024115.2 -37.3
Last 30 days120.1 -38.2

This day in history*

Solar flares
12011M5.77
22024M4.9
32024M2.8
41998M1.83
52001M1.76
DstG
11988-85
21998-57
31978-57G2
42014-49
52002-39
*since 1994

Social networks