Viewing archive of Tuesday, 21 December 2021 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
147 323 2B7.49M1.48112

Sunspot regions

Region 12907

Number of
sunspots
Size Class Magn. Class Spot Location
14 1 200 50 DAI S21W40
HMIIF
HMIBC

Solar flares on this day

C5.6

Region 12908

Number of
sunspots
Size Class Magn. Class Spot Location
18 8 100 DSI S16W25
HMIIF
HMIBC

Solar flares on this day

C2.9 C3.3 C4.1 C5.0 C1.0 C5.0

Region 12909

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 80 -20 HAX S19W13
HMIIF
HMIBC

Solar flares on this day

C4.9

Region 12910

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 20 10 CRO N15W79
HMIIF
HMIBC

Region 12911

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 20 HRX N19E17
HMIIF
HMIBC

Region 12912

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX S11E38
HMIIF
HMIBC

Region 12913

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S28E18
HMIIF
HMIBC

Region 12914

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 BXO S17E23
HMIIF
HMIBC

Region 12915

Number of
sunspots
Size Class Magn. Class Spot Location
3 30 DSO N16E34
HMIIF
HMIBC

Region 12916

Number of
sunspots
Size Class Magn. Class Spot Location
1 100 HSX S18E82
HMIIF
HMIBC

Solar flares on this day

M1.1 M1.4 C2.0

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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/24M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024110.7 -41.8
Last 30 days116.5 -41.7

This day in history*

Solar flares
12011M5.77
21998M1.83
32001M1.76
42001M1.41
52011M1.22
DstG
11988-85
21998-57
31978-57G2
42014-49
52002-39
*since 1994

Social networks