Viewing archive of Friday, 13 December 2013 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxC
141 -151 1C1C6.973

Sunspot regions

Region 11912

Number of
sunspots
Size Class Magn. Class Spot Location
1 80 HSX S21W64
HMIIF
HMIBC

Region 11916

Number of
sunspots
Size Class Magn. Class Spot Location
4 -16 120 -200 EAC S13W90
HMIIF
HMIBC

Region 11917

Number of
sunspots
Size Class Magn. Class Spot Location
12 -1 190 -20 CAI S15E04
HMIIF
HMIBC

Solar flares on this day

C3.17 C6.94

Region 11918

Number of
sunspots
Size Class Magn. Class Spot Location
13 6 180 20 DAO S08E25
HMIIF
HMIBC

Region 11919

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 10 -10 AXX S06W65
HMIIF
HMIBC

Region 11920

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 80 -10 HAX N13E31
HMIIF
HMIBC

Solar flares on this day

C1.74

Region 11921

Number of
sunspots
Size Class Magn. Class Spot Location
2 360 10 HKX N08E37
HMIIF
HMIBC

Region 11922

Number of
sunspots
Size Class Magn. Class Spot Location
9 1 90 DSI N10W45
HMIIF
HMIBC

Region 11923

Number of
sunspots
Size Class Magn. Class Spot Location
9 10 BXO N18E02
HMIIF
HMIBC

Region 11924

Number of
sunspots
Size Class Magn. Class Spot Location
2 20 CRO S12W73
HMIIF
HMIBC

All times in UTC

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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 days156.1 +4.7

This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
31975-97G2
42003-87G2
51960-76G2
*since 1994

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