Viewing archive of Thursday, 8 October 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum flux
241 1B1.34B3.87

Sunspot regions

Region 12427

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 100 HSX N16W86
HMIIF
HMIBC

Solar flares on this day

B2.09 B3.39

Region 12429

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 10 BXO S19E42
HMIIF
HMIBC

All times in UTC

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The solar wind speed is currently moderately high (627.3 km/sec.)

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11:09 UTC - Solar flare

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10:39 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.03)


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Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:33 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/22M1.3
Last geomagnetic storm2025/04/21Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025120 -14.2
Last 30 days111.9 -31

This day in history*

Solar flares
12001M4.66
22022M3.4
32024M2.81
42011M2.64
52004M1.78
DstG
11970-137G3
21988-109G1
32001-102G2
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*since 1994

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