Viewing archive of Friday, 12 March 1999 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
98 30 -1B7.14M1.35141

Sunspot regions

Region 8477

Number of
sunspots
Size Class Magn. Class Spot Location
7 -2 200 40 CSO S29W58

Region 8483

Number of
sunspots
Size Class Magn. Class Spot Location
4 -2 70 40 DAO S19W74

Region 8484

Number of
sunspots
Size Class Magn. Class Spot Location
9 4 120 -20 DAO S23E41

Region 8485

Number of
sunspots
Size Class Magn. Class Spot Location
22 7 290 40 EAO N22E27

Solar flares on this day

C1.99 C1.5 C1.69 C1.5 C1.24

Region 8487

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 BXO N17E63

Solar flares on this day

C3.34 C2.71 C1.56 C1.11 M1.35 C4.61 C1.96

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-flare2026/01/18X1.9
Last M-flare2026/01/21M3.4
Last geomagnetic storm2026/01/22Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
January 2026119.6 -4.4
Last 30 days122.3 +11.2

This day in history*

Solar flares
12023M2.8
22002M1.92
32015M1.61
42001M1.5
51999M1.19
DstG
11979-57G1
22004-56
31958-52G1
41959-52G2
52006-51G1
*since 1994

Social networks