Viewing archive of Saturday, 13 April 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
148 202 2B5.29C2.755

Sunspot regions

Region 11711

Number of
sunspots
Size Class Magn. Class Spot Location
1 100 HAX S16W0*
HMIIF
HMIBC

Region 11714

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 -30 HSX N14W79
HMIIF
HMIBC

Region 11718

Number of
sunspots
Size Class Magn. Class Spot Location
25 2 350 -160 DKC N21W58
HMIIF
HMIBC

Solar flares on this day

C2.71 C1.98

Region 11719

Number of
sunspots
Size Class Magn. Class Spot Location
26 4 140 -150 DSI N10W28
HMIIF
HMIBC

Solar flares on this day

C2.16

Region 11721

Number of
sunspots
Size Class Magn. Class Spot Location
18 1 190 -30 DSI S18W07
HMIIF
HMIBC

Region 11722

Number of
sunspots
Size Class Magn. Class Spot Location
4 20 -10 CRO S21E03
HMIIF
HMIBC

Region 11723

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 BXO S18E49

Region 11724

Number of
sunspots
Size Class Magn. Class Spot Location
2 40 HAX S27E70

Solar flares on this day

C2.25 C1.32

All times in UTC

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Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Nuuk

S1 - Minor solar radiation storm

Minor impacts on HF radio through polar regions

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/03/31M1.2
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days127.7 -23.5

This day in history*

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*since 1994

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