Viewing archive of Friday, 20 December 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
137 -12 1C1.57M2.3172

Sunspot regions

Region 11917

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 180 -240 CSO S17W91
HMIIF
HMIBC

Region 11918

Number of
sunspots
Size Class Magn. Class Spot Location
3 2 10 -40 AXX S10W70
HMIIF
HMIBC

Region 11920

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 60 10 CSO N13W62
HMIIF
HMIBC

Region 11921

Number of
sunspots
Size Class Magn. Class Spot Location
2 220 HAX N06W57
HMIIF
HMIBC

Region 11928

Number of
sunspots
Size Class Magn. Class Spot Location
24 3 360 120 EKC S16W19
HMIIF
HMIBC

Solar flares on this day

C4.62 M1.23 C7.79 C3.33

Region 11929

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 10 BXO S11E40
HMIIF
HMIBC

Region 11930

Number of
sunspots
Size Class Magn. Class Spot Location
10 3 90 50 DAI S11E22
HMIIF
HMIBC

Region 11931

Number of
sunspots
Size Class Magn. Class Spot Location
1 210 110 HAX S15E62
HMIIF
HMIBC

Region 11932

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 AXX N04E17
HMIIF
HMIBC

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-flare2025/12/01X1.9
Last M-flare2025/12/04M6.0
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025175.4 +83.6
Last 30 days107.3 +14.6

This day in history*

Solar flares
12006X9.4
22006M8.68
32006M5.04
42003M3
52000M2.34
DstG
11959-90
21960-90
31958-65
41957-57G1
52003-55G1
*since 1994

Social networks