Viewing archive of Wednesday, 28 June 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
1410 -1B9.8M1.9791

Sunspot regions

Region 13337

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N15W0*
HMIIF
HMIBC

Region 13339

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 40 -20 HAX S23W78
HMIIF
HMIBC

Region 13340

Number of
sunspots
Size Class Magn. Class Spot Location
14 -3 220 -40 EAI N20W72
HMIIF
HMIBC

Solar flares on this day

M1.9

Region 13341

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 30 -20 HAX S15W47
HMIIF
HMIBC

Region 13345

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 10 HRX N06W50
HMIIF
HMIBC

Region 13348

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 10 BXO S33W14
HMIIF
HMIBC

Solar flares on this day

C5.0

Region 13351

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 BXO N21W06
HMIIF
HMIBC

Region 13354

Number of
sunspots
Size Class Magn. Class Spot Location
38 19 800 350 EKC N12W02
HMIIF
HMIBC

Solar flares on this day

C1.5 C1.3 C1.6 C5.3

Region 13355

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 -10 HSX S16E42
HMIIF
HMIBC

All times in 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 2025121.5 -12.7
Last 30 days114.6 -22.2

This day in history*

Solar flares
12003M4.84
22001M4.48
32001M3.35
42001M3.06
52001M2.7
DstG
12023-213G4
21960-171G3
32012-120G3
41990-106G2
51959-92G1
*since 1994

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