Sunspot drawing of 1972-4-3

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https://doi.org/10.7891/e-manuscripta-97226



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1972-04-03
07:15
Hs 1304.5:4717
https://doi.org/10.7891/e-manuscripta-97226
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
105 6 A -6.6 209.2
106 4 C -8.9 193.5
107 1 A -6.6 209.2
110 7 B 207.4
111 2 A -9.4 124.2
5 20