Sunspot drawing of 1967-4-20

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https://doi.org/10.7891/e-manuscripta-95043



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1967-04-20
12:30
Hs 1304.5:3199
https://doi.org/10.7891/e-manuscripta-95043
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
157 6 H 24.0 341.0
162 7 B -22.5 2.8
163 4 J 22.9 294.3
164 5 J -21.9 294.3
166 4 A -13.8 275.2
5 26