Sunspot drawing of 1971-5-3

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https://doi.org/10.7891/e-manuscripta-96957



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1971-05-03
07:30
Hs 1304.5:4443
https://doi.org/10.7891/e-manuscripta-96957
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
134 2 A 5.8 35.8
135 4 J -5.5 346.7
137 2 A 18.1 321.6
138 11 C 13.8 269.4
139 5 C 11.2 252.2
140 2 A -10.9 243.4
6 26