Sunspot drawing of 1974-10-4

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https://doi.org/10.7891/e-manuscripta-97783



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1974-10-04
08:00
Hs 1304.5:5500
https://doi.org/10.7891/e-manuscripta-97783
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
157 8 J 9.1 21.5
158 4 A -12.3 56.8
159 16 E -5.5 18.0
162 12 A -20.2 314.7
163 3 A 5.3 304.4
164 5 C 9.9 289.9
6 48