Sunspot drawing of 1972-4-27

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https://doi.org/10.7891/e-manuscripta-97065



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1972-04-27
07:00
Hs 1304.5:4736
https://doi.org/10.7891/e-manuscripta-97065
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
126 3 J -10.3 317.5
132 5 J 16.3 252.8
135 4 J -13.4 275.6
137 8 B 3.3 235.9
139 20 D 8.0 301.4
140 4 A 8.1 317.5
6 44