Sunspot drawing of 1974-7-21

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https://doi.org/10.7891/e-manuscripta-97766



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1974-07-21
07:30
Hs 1304.5:5429
https://doi.org/10.7891/e-manuscripta-97766
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
107 11 C -11.4 341.0
111 6 B -5.1 341.3
112 6 J -13.3 296.2
115 3 A -8.9 293.7
116 4 A -13.6 245.0
117 6 H -9.4 208.7
6 36