Sunspot drawing of 1973-9-4

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https://doi.org/10.7891/e-manuscripta-97516



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1973-09-04
07:15
Hs 1304.5:5168
https://doi.org/10.7891/e-manuscripta-97516
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
170 3 J 15.3 259.9
176 22 D -14.5 193.8
177 9 D -13.1 246.5
178 6 B 5.6 252.0
179 14 C 14.4 165.1
180 1 A -9.6 218.7
181 20 D 21.8 201.1
182 21 D -17.2 161.3
183 10 D -13.2 136.0
9 106