Sunspot drawing of 1974-8-16

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https://doi.org/10.7891/e-manuscripta-97895



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1974-08-16
06:30
Hs 1304.5:5455
https://doi.org/10.7891/e-manuscripta-97895
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
127 4 J -8.6 19.5
128 2 A -7.6 8.6
130 1 A 9.0 314.7
131 9 C -5.3 341.0
133 2 A -17.2 341.2
134 20 B 8.8 324.8
135 4 J -13.5 257.9
7 42