Viewing archive of Saturday, 23 September 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
198 140 -2C1.26M1.58171

Sunspot regions

Region 13433

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 -20 HSX N28W80
HMIIF
HMIBC

Region 13435

Number of
sunspots
Size Class Magn. Class Spot Location
10 4 270 -10 DKI N09W11
HMIIF
HMIBC

Region 13437

Number of
sunspots
Size Class Magn. Class Spot Location
2 -3 30 -90 CSO S18W83
HMIIF
HMIBC

Region 13438

Number of
sunspots
Size Class Magn. Class Spot Location
5 -7 10 -40 BXO N11W19
HMIIF
HMIBC

Region 13439

Number of
sunspots
Size Class Magn. Class Spot Location
2 20 -10 HRX S24W09
HMIIF
HMIBC

Region 13440

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 HSX N18E07
HMIIF
HMIBC

Region 13441

Number of
sunspots
Size Class Magn. Class Spot Location
14 6 50 20 DRI N08W44
HMIIF
HMIBC

Region 13442

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX S09E11
HMIIF
HMIBC

Region 13443

Number of
sunspots
Size Class Magn. Class Spot Location
15 260 110 DKI N28W54
HMIIF
HMIBC

Solar flares on this day

C2.8 C2.3 C3.6 C2.9 C2.7 C2.8 C2.3

Region 13444

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N24E14
HMIIF
HMIBC

Region 13445

Number of
sunspots
Size Class Magn. Class Spot Location
24 15 180 80 DRI S15E19
HMIIF
HMIBC

Solar flares on this day

C2.4 C3.7 C7.6 C2.4 C3.4 C3.2 C8.7 C2.6 C2.8 C2.6

Region 13446

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 10 AXX N23E49
HMIIF
HMIBC

All times in UTC

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Last X-flare2026/01/18X1.9
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Spotless days
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Monthly mean Sunspot Number
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This day in history*

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*since 1994

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