Viewing archive of Wednesday, 15 May 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCX
186 443 3C1.1X1.8541

Sunspot regions

Region 11741

Number of
sunspots
Size Class Magn. Class Spot Location
5 10 BXO S21W43
HMIIF
HMIBC

Region 11742

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 HRX N29W19
HMIIF
HMIBC

Region 11743

Number of
sunspots
Size Class Magn. Class Spot Location
7 70 DAO N22W12
HMIIF
HMIBC

Region 11744

Number of
sunspots
Size Class Magn. Class Spot Location
11 90 DAI N05W00
HMIIF
HMIBC

Region 11745

Number of
sunspots
Size Class Magn. Class Spot Location
18 430 DKC N13E24
HMIIF
HMIBC

Solar flares on this day

C2.07

Region 11746

Number of
sunspots
Size Class Magn. Class Spot Location
7 200 DSI S28E28
HMIIF
HMIBC

Region 11747

Number of
sunspots
Size Class Magn. Class Spot Location
8 80 CAO S18E22
HMIIF
HMIBC

Region 11748

Number of
sunspots
Size Class Magn. Class Spot Location
5 310 EKI N11E63
HMIIF
HMIBC

Solar flares on this day

X1.85 C2.26 C1.52

All times in UTC

<< Go to daily overview page

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

Rovaniemi, Sodankylä
Murmansk, Norilsk, Vorkuta
The solar wind speed is currently moderately high (593.9 km/sec.)
The strength of the interplanetary magnetic field is moderate (14.34nT), the direction is North (4.17nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-73nT)

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Latest alerts

18:00 UTC - Geomagnetic activity

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

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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
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*since 1994

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