Sunspot drawing of 1978-1-31

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https://doi.org/10.7891/e-manuscripta-99092



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1978-01-31
08:45
Hs 1304.5:6506
https://doi.org/10.7891/e-manuscripta-99092
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
13 3 J 20.5 236.6
14 7 C 16.9 254.8
16 10 D -26.6 164.2
19 3 B 21.7 147.5
20 10 C 13.9 160.5
21 25 D 18.6 143.0
22 13 C -16.6 168.2
23 27 C -31.0 163.5
24 1 A 12.7 126.9
25 2 A 12.0 141.8
26 6 B -26.4 141.5
11 107