Viewing archive of Wednesday, 27 October 2021 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
91 -40 -1B5.81C8.5117

Sunspot regions

Region 12886

Number of
sunspots
Size Class Magn. Class Spot Location
1 90 -10 HSX S20W54
HMIIF
HMIBC

Region 12887

Number of
sunspots
Size Class Magn. Class Spot Location
26 6 250 -120 DHI S27E05
HMIIF
HMIBC

Solar flares on this day

C1.0 C2.9 C3.1 C8.6 C1.5 B7.4 C2.8 C1.1 C1.6 C1.1

Region 12888

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S12E26
HMIIF
HMIBC

Region 12889

Number of
sunspots
Size Class Magn. Class Spot Location
6 2 40 20 BXO S23E31
HMIIF
HMIBC

Solar flares on this day

C1.7 C2.3

Region 12890

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 30 -10 BXO S19W39
HMIIF
HMIBC

Region 12891

Number of
sunspots
Size Class Magn. Class Spot Location
4 250 CAO N19E66
HMIIF
HMIBC

Solar flares on this day

C2.1 C1.4 C2.2 C2.2

All times in UTC

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The strength of the interplanetary magnetic field is moderate (16.02nT), the direction is North (12.2nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-55nT)

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/15M1.2
Last geomagnetic storm2025/04/16Kp8- (G4)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025120.7 -13.5
Last 30 days120.8 -19.6

This day in history*

Solar flares
12022X1.1
22022M4.4
32002M3.79
42001M1.97
52022M1.89
DstG
11994-201G4
21990-113G2
32002-98G3
41999-91G3
52015-79G1
*since 1994

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