Viewing archive of Saturday, 15 May 1999 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum flux
167 412B6.57C1.14

Sunspot regions

Region 8531

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 BXO N20W74

Region 8534

Number of
sunspots
Size Class Magn. Class Spot Location
10 -1 90 10 DAO S17W47

Region 8535

Number of
sunspots
Size Class Magn. Class Spot Location
9 330 -40 CKO N21W36

Region 8540

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 10 -10 BXO S25W22

Region 8541

Number of
sunspots
Size Class Magn. Class Spot Location
15 -3 80 -10 ESO N21W14

Region 8542

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 40 HSX S19E32

Region 8544

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 BXO S20E60

Solar flares on this day

B9.79

Region 8545

Number of
sunspots
Size Class Magn. Class Spot Location
1 80 HSX N37E71

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-flare2026/04/04M1.0
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 2026121 +35.1
Last 30 days102.1 +47

This day in history*

Solar flares
12001X1.14
22000M4.54
32003M3.68
42002M3.12
52002M1.68
DstG
11984-100G3
21971-97G2
32006-82G2
41959-73G2
51995-68G1
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation

Social networks