Viewing archive of Sunday, 16 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 fluxCM
151 -160 -2B5.86M1.833

Sunspot regions

Region 8534

Number of
sunspots
Size Class Magn. Class Spot Location
6 -4 90 DAO S17W60

Solar flares on this day

M1.8 C1.44 M1.6 C8.14

Region 8535

Number of
sunspots
Size Class Magn. Class Spot Location
7 -2 370 40 CKO N22W49

Region 8540

Number of
sunspots
Size Class Magn. Class Spot Location
2 -3 0 -10 BXO S25W33

Region 8541

Number of
sunspots
Size Class Magn. Class Spot Location
27 12 100 20 ESO N21W26

Solar flares on this day

M1.46

Region 8542

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 -30 HSX S19E18

Region 8543

Number of
sunspots
Size Class Magn. Class Spot Location
2 0 AXX N06E16

Region 8544

Number of
sunspots
Size Class Magn. Class Spot Location
12 9 90 80 DAO S21E48

Region 8545

Number of
sunspots
Size Class Magn. Class Spot Location
1 230 150 HKX N36E62

Region 8546

Number of
sunspots
Size Class Magn. Class Spot Location
2 0 BXO S33W45

Region 8547

Number of
sunspots
Size Class Magn. Class Spot Location
7 20 BXO N22W15

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-flare2025/12/08X1.1
Last M-flare2025/12/09M1.67
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025160.6 +68.8
Last 30 days108.7 +12.8

This day in history*

Solar flares
12025M2.0
22025M1.67
32023M1.5
42025M1.33
52014M1.23
DstG
11993-62
21974-58G1
32003-53G1
41982-49G1
51976-48
*since 1994

Social networks