Viewing archive of Tuesday, 19 October 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
169 341 1C1.13M1.25132

Sunspot regions

Region 8728

Number of
sunspots
Size Class Magn. Class Spot Location
2 -8 170 -50 CSO N22W59

Region 8729

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 0 -10 AXX N16W49

Region 8731

Number of
sunspots
Size Class Magn. Class Spot Location
35 -19 980 -240 FKC N19W27

Solar flares on this day

C1.49

Region 8732

Number of
sunspots
Size Class Magn. Class Spot Location
19 -4 180 -40 FAO N21W41

Solar flares on this day

C4.44 C4.39 C3.61 C4.46

Region 8734

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 0 -10 AXX N17W23

Region 8735

Number of
sunspots
Size Class Magn. Class Spot Location
6 30 -10 CSO N19E09

Region 8736

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 -10 AXX S24E20

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-flare2026/02/04X4.21
Last M-flare2026/03/18M2.7
Last geomagnetic storm2026/03/23Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (4%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202679.2 +1
Last 30 days75.6 -9.1

This day in history*

Solar flares
12024M4.4
22001M3.71
32001M3.57
42004M3.43
52008M2.47
DstG
11991-298G4
21990-111G2
31983-103G2
41969-97G1
52024-88G1
*since 1994

Social networks