Sunspot drawing of 1970-1-18

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https://doi.org/10.7891/e-manuscripta-96351



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1970-01-18
08:45
Hs 1304.5:4054
https://doi.org/10.7891/e-manuscripta-96351
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
8 1 2 A -12.5 119.6
9 9 10 D -11.7 99.7
10 29 23 C -21.4 94.7
12 24 17 C -12.7 77.8
14 27 26 C -10.8 48.8
15 10 6 C -15.1 54.1
16 21 15 D -7.1 31.5
18 2 3 B 12.3 60.3
19 5 4 B 17.8 94.2
22 2 3 B -10.9 8.8
23 41 25 D 13.6 18.4
24 7 5 B -13.8 40.8
26 3 7 D -2.4 332.0
27 3 2 B -23.2 61.3
14 184 148