Sunspot drawing of 1971-5-7

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https://doi.org/10.7891/e-manuscripta-96758



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1971-05-07
06:30
Hs 1304.5:4447
https://doi.org/10.7891/e-manuscripta-96758
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
135 3 J -5.5 347.3
138 60 E 12.3 270.2
139 3 J 10.6 254.1
143 1 A 13.9 249.0
144 1 A -5.5 247.9
145 6 C 4.3 187.5
6 74