Viewing archive of Sunday, 18 October 2015 - 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
81 -21B7.29C2.73

Sunspot regions

Region 12431

Number of
sunspots
Size Class Magn. Class Spot Location
3 2 20 CSO S18W19
HMIIF
HMIBC

Region 12432

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 10 BXO S21W38
HMIIF
HMIBC

Region 12434

Number of
sunspots
Size Class Magn. Class Spot Location
20 -2 260 110 DKI S10E20
HMIIF
HMIBC

Region 12435

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 10 HAX S15E60
HMIIF
HMIBC

Region 12436

Number of
sunspots
Size Class Magn. Class Spot Location
6 80 DAI N09E71
HMIIF
HMIBC

Solar flares on this day

C2.15 C1.93

All times in UTC

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Last X-flare2024/11/06X2.39
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Spotless days
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October 2024166.4 +25
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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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