Viewing archive of Sunday, 18 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 flux
42 -110 -1B1.14B9.75

Sunspot regions

Region 12842

Number of
sunspots
Size Class Magn. Class Spot Location
5 40 DSO N25W28
HMIIF
HMIBC

Region 12843

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S18W0*
HMIIF
HMIBC

Solar flares on this day

B3.4 B3.4 B2.4 B2.7 B9.7

Region 12844

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S41E35
HMIIF
HMIBC

Region 12845

Number of
sunspots
Size Class Magn. Class Spot Location
6 30 CSO S15W18
HMIIF
HMIBC

Solar flares on this day

B2.5

All times in UTC

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
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Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
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*since 1994

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