Viewing archive of Tuesday, 16 February 1999 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxCM
176 92 2C1.31M4.6483

Sunspot regions

Region 8456

Number of
sunspots
Size Class Magn. Class Spot Location
3 -11 30 BXO N22W37

Region 8457

Number of
sunspots
Size Class Magn. Class Spot Location
20 -12 600 -60 EKI N15W18

Region 8458

Number of
sunspots
Size Class Magn. Class Spot Location
25 -5 640 50 EKC S22W09

Solar flares on this day

M4.64 C2.67

Region 8459

Number of
sunspots
Size Class Magn. Class Spot Location
9 3 90 20 DRO S30W43

Region 8460

Number of
sunspots
Size Class Magn. Class Spot Location
5 -4 50 20 CSO S17E04

Region 8462

Number of
sunspots
Size Class Magn. Class Spot Location
17 -4 130 50 DAO N19W06

Solar flares on this day

C9.86 C7.67

Region 8463

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 80 20 HSX S16E20

Region 8464

Number of
sunspots
Size Class Magn. Class Spot Location
6 -1 90 CSO N20E28

Solar flares on this day

M1.35

All times in UTC

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Last X-flare2024/10/31X2.03
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Spotless days
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September 2024141.4 -74.1
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Last 30 days161.1 +7.2

This day in history*

Solar flares
12013X4.93
21998X1.21
32014X1.14
42003M7.6
52004M5.72
DstG
12023-172G3
21991-92G2
31986-74G1
41959-73G1
51993-71G1
*since 1994

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