Viewing archive of Saturday, 7 December 2013 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxCM
104 -11 1C1.36M1.8231

Sunspot regions

Region 11908

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 40 -20 HSX S25W79
HMIIF
HMIBC

Region 11909

Number of
sunspots
Size Class Magn. Class Spot Location
10 -9 140 -60 DSO S17W50
HMIIF
HMIBC

Solar flares on this day

M1.82

Region 11911

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S11W64
HMIIF
HMIBC

Region 11912

Number of
sunspots
Size Class Magn. Class Spot Location
1 130 20 CAO S21E17
HMIIF
HMIBC

Region 11915

Number of
sunspots
Size Class Magn. Class Spot Location
10 1 30 -50 DRO S30W48
HMIIF
HMIBC

Region 11916

Number of
sunspots
Size Class Magn. Class Spot Location
21 9 200 150 DAC S13W10
HMIIF
HMIBC

Solar flares on this day

C4.7 C2.5

All times in UTC

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G2 - Moderate geomagnetic storm

Observed Kp: 6
Threshold reached: 17:48 UTC

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

Norilsk
The solar wind speed is currently moderately high (558.4 km/sec.)
The strength of the interplanetary magnetic field is moderate (16.42nT), the direction is slightly South (-5.65nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-63nT)

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Latest alerts

18:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 17:00 UTC

alert


17:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 16:28 UTC

alert


14:15 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 13:58 UTC

alert


12:18 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 75GW at 13:21 UTC


11:54 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 51GW at 12:57 UTC


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Space weather facts

Last X-flare2025/02/23X2.0
Last M-flare2025/03/26M1.0
Last geomagnetic storm2025/03/22Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025135 -19.6
Last 30 days133.7 -19.9

This day in history*

Solar flares
12001M3.86
22000M3.34
32001M3.14
41998M2.37
52024M1.9
DstG
11976-226G4
21991-168G4
31988-154G3
41959-132G4
51990-111G2
*since 1994

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