Viewing archive of Sunday, 9 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 fluxCMX
1920 -1C3.14X1.1721

Sunspot regions

Region 8525

Number of
sunspots
Size Class Magn. Class Spot Location
1 -5 150 30 HSX N17W49

Region 8526

Number of
sunspots
Size Class Magn. Class Spot Location
5 260 210 EAO N19W80

Region 8531

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 20 10 CRO N19E08

Region 8533

Number of
sunspots
Size Class Magn. Class Spot Location
5 40 10 CSO N04E34

Region 8534

Number of
sunspots
Size Class Magn. Class Spot Location
4 3 60 20 CSO S17E35

Region 8535

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 300 40 DHO N22E42

Region 8536

Number of
sunspots
Size Class Magn. Class Spot Location
15 10 70 40 DSO S24E25

Region 8537

Number of
sunspots
Size Class Magn. Class Spot Location
7 -2 230 190 EAO N19W73

Solar flares on this day

C7.31 X1.1

Region 8538

Number of
sunspots
Size Class Magn. Class Spot Location
7 1 50 30 CRO N11W46

Region 8539

Number of
sunspots
Size Class Magn. Class Spot Location
6 50 20 DSO N14E31

Region 8540

Number of
sunspots
Size Class Magn. Class Spot Location
5 2 140 80 EAO S28E59

Region 8541

Number of
sunspots
Size Class Magn. Class Spot Location
9 130 ESO N22E67

Solar flares on this day

M1.64 C4.1

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-flare2026/04/03M1.3
Last geomagnetic storm2026/04/02Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026141 +55.1
Last 30 days94.6 +27

This day in history*

Solar flares
12001X1.77
22017M8.35
31999M6.2
42001M3.57
52017M1.81
DstG
11979-168G4
21960-151G3
31992-105G2
42004-104G2
51994-103G3
*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