Viewing archive of Thursday, 2 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
134 -31 1B9.43C7.642

Sunspot regions

Region 8673

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 210 40 HRX S19W94

Region 8674

Number of
sunspots
Size Class Magn. Class Spot Location
9 -13 150 -100 EAO S24W73

Region 8675

Number of
sunspots
Size Class Magn. Class Spot Location
16 -4 100 DSO N19W25

Solar flares on this day

C7.64

Region 8677

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 40 -20 HSX N08W21

Region 8679

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 10 AXX S36W17

Region 8681

Number of
sunspots
Size Class Magn. Class Spot Location
19 -11 190 -70 EAI N21W43

Region 8682

Number of
sunspots
Size Class Magn. Class Spot Location
5 4 20 10 CSO N18E26

Region 8686

Number of
sunspots
Size Class Magn. Class Spot Location
5 1 20 10 CSO S24W09

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026114.3 +28.4
Last 30 days102.4 +48.5

This day in history*

Solar flares
12001X3.14
22002X1.17
32023M2.83
42002M2.34
52000M1.23
DstG
11990-281G4
21982-137G3
31957-124G3
41959-122G4
51960-81G3
*since 1994

Aurora on this day in history

Discover more observations in our archive!

Social networks