Viewing archive of Wednesday, 18 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 fluxCM
164 -211C1.77M1.8271

Sunspot regions

Region 13182

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 AXX S17W0*
HMIIF
HMIBC

Region 13184

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 180 -10 CSO S13W52
HMIIF
HMIBC

Region 13186

Number of
sunspots
Size Class Magn. Class Spot Location
5 -6 350 -80 EHO N24W42
HMIIF
HMIBC

Solar flares on this day

C5.8

Region 13188

Number of
sunspots
Size Class Magn. Class Spot Location
3 -4 10 BXO S24W16
HMIIF
HMIBC

Region 13190

Number of
sunspots
Size Class Magn. Class Spot Location
17 -3 950 50 EKI S15E09
HMIIF
HMIBC

Solar flares on this day

C4.9 M1.7 C3.6

Region 13191

Number of
sunspots
Size Class Magn. Class Spot Location
8 -5 230 -90 DSI N11W04
HMIIF
HMIBC

Region 13192

Number of
sunspots
Size Class Magn. Class Spot Location
17 4 420 40 FKI N16E13
HMIIF
HMIBC

Solar flares on this day

C3.5 C9.4

Region 13193

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 10 -20 BXO S22W70
HMIIF
HMIBC

Region 13194

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 0 BXO S23W04
HMIIF
HMIBC

Region 13195

Number of
sunspots
Size Class Magn. Class Spot Location
5 -3 30 CRO N20W09
HMIIF
HMIBC

Region 13196

Number of
sunspots
Size Class Magn. Class Spot Location
2 30 DRO N13E44
HMIIF
HMIBC

Solar flares on this day

C3.2

All times in UTC

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
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Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

Solar flares
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
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*since 1994

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