Sunspot drawing of 1973-4-7

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https://doi.org/10.7891/e-manuscripta-97429



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1973-04-07
07:30
Hs 1304.5:5033
https://doi.org/10.7891/e-manuscripta-97429
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
79 20 C -6.4 80.7
81 16 J 11.2 38.8
83 8 J -13.0 352.9
84 2 A -14.5 341.6
86 12 B -8.6 357.3
88 9 B -9.4 322.6
6 67