Viewing archive of Wednesday, 23 October 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxCM
141 -870B8.9M2.761693

Sunspot regions

Region 11872

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 60 CAO S17W26

Region 11873

Number of
sunspots
Size Class Magn. Class Spot Location
4 -5 10 -30 AXX N12W17

Region 11874

Number of
sunspots
Size Class Magn. Class Spot Location
13 4 30 -10 DRO S11W47

Region 11875

Number of
sunspots
Size Class Magn. Class Spot Location
123 62 420 170 EKC N07E04

Solar flares on this day

C3.3 C3.6 C6.5 C1.8 C3.6 C2.2 M2.7 M1.4

Region 11877

Number of
sunspots
Size Class Magn. Class Spot Location
15 5 390 -10 DKI S13E23

Solar flares on this day

C1.3

Region 11879

Number of
sunspots
Size Class Magn. Class Spot Location
9 5 80 20 CSO S13E37

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/08/05Kp5 (G1)
Number of spotless days in 2019:158
Current stretch spotless days:13

This day in history*

Solar flares
11998X3.9
22002M3.1
31998M3.0
42004M3.0
52003M2.7
ApG
1200638G2
2200230G1
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*since 1994

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