Viewing archive of Sunday, 4 July 2021 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
60 -211B2.44M1.5141

Sunspot regions

Region 12835

Number of
sunspots
Size Class Magn. Class Spot Location
17 -16 540 -80 DKC S18W57
HMIIF
HMIBC

Solar flares on this day

B3.1 C1.7

Region 12836

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S26W64
HMIIF
HMIBC

Region 12837

Number of
sunspots
Size Class Magn. Class Spot Location
9 5 20 BXO N17W13
HMIIF
HMIBC

Region 12838

Number of
sunspots
Size Class Magn. Class Spot Location
3 30 CRO N24W0*
HMIIF
HMIBC

Solar flares on this day

B5.6 C2.0 C2.1 M1.5 B5.3

Region 12839

Number of
sunspots
Size Class Magn. Class Spot Location
4 30 CRO N19E37
HMIIF
HMIBC

Solar flares on this day

B5.6 C1.3 B4.7 B3.1

All times in UTC

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Spotless days
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September 2024141.4 -74.1
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Last 30 days161.1 +7.2

This day in history*

Solar flares
12013X4.93
21998X1.21
32014X1.14
42003M7.6
52004M5.72
DstG
12023-172G3
21991-92G2
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*since 1994

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