Viewing archive of Tuesday, 31 January 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
65 -20 -1B7.21C4.887

Sunspot regions

Region 13201

Number of
sunspots
Size Class Magn. Class Spot Location
1 50 HSX N23W36
HMIIF
HMIBC

Region 13204

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 60 10 DAO N25W78
HMIIF
HMIBC

Solar flares on this day

C1.5 C1.3

Region 13205

Number of
sunspots
Size Class Magn. Class Spot Location
1 -3 90 CAO S22W77
HMIIF
HMIBC

Region 13206

Number of
sunspots
Size Class Magn. Class Spot Location
5 30 -10 CAO S22E33
HMIIF
HMIBC

Solar flares on this day

C1.3

Region 13207

Number of
sunspots
Size Class Magn. Class Spot Location
5 3 130 70 CAO S12E59
HMIIF
HMIBC

Solar flares on this day

C4.9 B9.8 B9.1 C3.1 C2.4 C1.5

All times in UTC

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
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Spotless days
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Monthly mean Sunspot Number
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Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
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*since 1994

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