Viewing archive of Friday, 1 August 2025 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
129 -90 -1B9.26C3.4515

Sunspot regions

Region 14149

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 HSX N16W0*
HMIIF
HMIBC

Solar flares on this day

C2.4

Region 14153

Number of
sunspots
Size Class Magn. Class Spot Location
6 -1 70 -50 CAO S27W73
HMIIF
HMIBC

Solar flares on this day

C3.4 C2.5 C2.3 C2.4 C2.0

Region 14154

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 30 -10 HSX S13W64
HMIIF
HMIBC

Region 14155

Number of
sunspots
Size Class Magn. Class Spot Location
9 -7 10 -20 BXO S09W51
HMIIF
HMIBC

Solar flares on this day

C1.7 C3.4

Region 14157

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 -10 HAX S19W52
HMIIF
HMIBC

Solar flares on this day

C1.4

Region 14161

Number of
sunspots
Size Class Magn. Class Spot Location
6 2 60 -50 ESO S13E14
HMIIF
HMIBC

Region 14165

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 100 20 CSO N12E45
HMIIF
HMIBC

Region 14166

Number of
sunspots
Size Class Magn. Class Spot Location
7 3 50 20 DAO N24W52
HMIIF
HMIBC

Region 14167

Number of
sunspots
Size Class Magn. Class Spot Location
15 5 70 30 DAI N10W24
HMIIF
HMIBC

Solar flares on this day

C1.6 C2.0 C1.7 C1.7 C2.3

All times in UTC

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Space weather facts

Last X-flare2026/02/04X4.3
Last M-flare2026/02/05M1.3
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
February 2026141.3 +17.3
Last 30 days123.1 +14.7

This day in history*

Solar flares
12000X1.74
22026M2.7
32025M2.7
42026M2.5
52024M2.1
DstG
11983-183G4
21961-140G2
31982-111G2
41957-87G2
52002-82G1
*since 1994

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