Viewing archive of Friday, 17 February 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCX
86 -150 -1B9.58X2.2871

Sunspot regions

Region 13216

Number of
sunspots
Size Class Magn. Class Spot Location
1 110 HSX N24W73
HMIIF
HMIBC

Region 13217

Number of
sunspots
Size Class Magn. Class Spot Location
3 150 -20 CSO S10W48
HMIIF
HMIBC

Region 13219

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 AXX S06W56
HMIIF
HMIBC

Region 13220

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 140 -10 HSX S14W30
HMIIF
HMIBC

Region 13225

Number of
sunspots
Size Class Magn. Class Spot Location
3 70 60 DAO S21W61
HMIIF
HMIBC

Region 13226

Number of
sunspots
Size Class Magn. Class Spot Location
12 -5 390 -20 EHI N10W20
HMIIF
HMIBC

Solar flares on this day

C2.1

Region 13229

Number of
sunspots
Size Class Magn. Class Spot Location
6 4 400 160 DKO N30E56
HMIIF
HMIBC

Solar flares on this day

C3.8 C1.4 C1.9 C2.2 C2.1 X2.28

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
Last spotless day2022/06/08
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
41989-105
51979-90G1
*since 1994

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