Sunspot drawing of 1972-4-2

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https://doi.org/10.7891/e-manuscripta-97019



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1972-04-02
07:45
Hs 1304.5:4716
https://doi.org/10.7891/e-manuscripta-97019
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
105 9 B -8.1 202.5
106 7 C -8.0 193.0
107 1 B -8.1 202.5
108 1 A -14.7 270.4
110 7 B -0.2 207.5
5 25