Viewing archive of Sunday, 27 May 2018 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum flux
27 10A5.86B1.66

Sunspot regions

Region 12711

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 30 -10 CRO N07W70
HMIIF
HMIBC

Region 12712

Number of
sunspots
Size Class Magn. Class Spot Location
3 -4 40 CAO N15E43
HMIIF
HMIBC

Solar flares on this day

B1.55 B1.04 B1.22 B1.47

All times in UTC

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G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 22:46 UTC
The solar wind speed is currently moderately high (587.4 km/sec.)
The strength of the interplanetary magnetic field is high (21.15nT), the direction is North (15.02nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-57nT)

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Latest alerts

23:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 22:37 UTC

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20:30 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 20:08 UTC

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20:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:00 UTC

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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

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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
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*since 1994

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