Viewing archive of Thursday, 19 July 2001 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
180 -131 -3B5.43M2.6931

Sunspot regions

Region 9535

Number of
sunspots
Size Class Magn. Class Spot Location
1 100 -20 HSX N06W31

Region 9537

Number of
sunspots
Size Class Magn. Class Spot Location
4 -6 50 -20 CAO S08W54

Solar flares on this day

M2.69

Region 9538

Number of
sunspots
Size Class Magn. Class Spot Location
1 180 HAX N17W11

Region 9539

Number of
sunspots
Size Class Magn. Class Spot Location
6 -14 140 -80 CAO S19W58

Region 9541

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 100 -30 CSO N18E02

Region 9542

Number of
sunspots
Size Class Magn. Class Spot Location
4 20 BXO N08E26

Region 9543

Number of
sunspots
Size Class Magn. Class Spot Location
12 -1 270 20 EAI S23E34

Solar flares on this day

C1.68

Region 9544

Number of
sunspots
Size Class Magn. Class Spot Location
4 -4 10 BXO N15W38

Region 9545

Number of
sunspots
Size Class Magn. Class Spot Location
3 -4 30 -20 CSO N09W08

Region 9546

Number of
sunspots
Size Class Magn. Class Spot Location
6 60 -10 DSO S17E32

Solar flares on this day

C1.8

Region 9547

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 CRO S16W22

Region 9548

Number of
sunspots
Size Class Magn. Class Spot Location
2 20 CSO N17E50

Region 9549

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 AXX S04E57

Region 9550

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 BXO N08E38

All times in UTC

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Last X-flare2026/03/30X1.5
Last M-flare2026/03/28M1.3
Last geomagnetic storm2026/03/25Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
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Monthly mean Sunspot Number
February 202678.2 -34.3
April 2026130 +51.8
Last 30 days91.6 +20.3

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

Aurora on this day in history

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