Viewing archive of Friday, 14 August 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
46 -50 -1B3.43C2.844

Sunspot regions

Region 12396

Number of
sunspots
Size Class Magn. Class Spot Location
9 -14 230 -330 EAC S18W79
HMIIF
HMIBC

Region 12400

Number of
sunspots
Size Class Magn. Class Spot Location
7 5 50 40 DAO N17E07
HMIIF
HMIBC

Region 12401

Number of
sunspots
Size Class Magn. Class Spot Location
5 10 BXO S11E50
HMIIF
HMIBC

Solar flares on this day

C1.58 C1.54 C2.81 C2.31 B7.19

All times in UTC

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Last X-flare2025/12/08X1.1
Last M-flare2025/12/12M1.1
Last geomagnetic storm2025/12/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025131.8 +40
Last 30 days109.8 +17.3

This day in history*

Solar flares
11998X1.15
22014M9.92
32002M3.54
41999M2.19
51999M1.36
DstG
11971-120G1
21958-111G3
31978-78G2
41988-77G1
51962-76G2
*since 1994

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