Viewing archive of Wednesday, 31 May 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
147 31 -1C1.9M4.29163

Sunspot regions

Region 13311

Number of
sunspots
Size Class Magn. Class Spot Location
1 50 HSX N21W94
HMIIF
HMIBC

Region 13313

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 10 HSX N24W80
HMIIF
HMIBC

Region 13315

Number of
sunspots
Size Class Magn. Class Spot Location
13 -1 510 -30 DKO S17W62
HMIIF
HMIBC

Solar flares on this day

C2.5 C3.3

Region 13316

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 10 10 AXX N08W34
HMIIF
HMIBC

Region 13317

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 30 CRO N27W68
HMIIF
HMIBC

Region 13318

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 120 10 DSO N25W60
HMIIF
HMIBC

Region 13319

Number of
sunspots
Size Class Magn. Class Spot Location
19 6 300 230 DHI S18W29
HMIIF
HMIBC

Solar flares on this day

C5.6

Region 13320

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 120 80 CSO N09E44
HMIIF
HMIBC

Region 13321

Number of
sunspots
Size Class Magn. Class Spot Location
3 2 260 140 HHX S16E52
HMIIF
HMIBC

Region 13322

Number of
sunspots
Size Class Magn. Class Spot Location
1 -4 10 BXO N16W52
HMIIF
HMIBC

Region 13323

Number of
sunspots
Size Class Magn. Class Spot Location
3 200 DAO S07E75
HMIIF
HMIBC

Solar flares on this day

C4.3 C7.5 C3.8 M1.3 C5.7 C4.6 C6.0 C9.5 C6.8 M1.06 M4.2

All times in UTC

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Last X-flare2024/11/06X2.39
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Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
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Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

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31999M3.27
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52012M2.11
DstG
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*since 1994

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