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

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This day in history*

Solar flares
12013X4.93
21998X1.21
32014X1.14
42003M7.6
52004M5.72
DstG
12023-172G3
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*since 1994

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