Sunspot drawing of 1974-9-4

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https://doi.org/10.7891/e-manuscripta-97836



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1974-09-04
07:30
Hs 1304.5:5473
https://doi.org/10.7891/e-manuscripta-97836
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
142 4 C -7.1 19.3
143 4 J -3.5 346.5
144 2 A 6.9 16.9
145 8 B -12.1 46.9
146 2 A -13.7 4.5
147 2 A -14.3 338.2
6 22