Viewing archive of Saturday, 16 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 fluxC
189 591C1.43C5.437

Sunspot regions

Region 8727

Number of
sunspots
Size Class Magn. Class Spot Location
1 -6 10 -20 AXX N20W52

Region 8728

Number of
sunspots
Size Class Magn. Class Spot Location
20 -1 310 -20 EAO N22W13

Solar flares on this day

C3.31

Region 8729

Number of
sunspots
Size Class Magn. Class Spot Location
8 -7 20 -10 CAO N12W12

Region 8731

Number of
sunspots
Size Class Magn. Class Spot Location
27 -18 850 60 FKC N12E10

Region 8732

Number of
sunspots
Size Class Magn. Class Spot Location
12 -9 170 80 ESO N20E01

Region 8734

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 CRO N17E21

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

100%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

Solar flares
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
21991-135G3
32002-128G3
41960-111G2
51970-110G2
*since 1994

Social networks