Sunspot drawing of 1974-10-6

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https://doi.org/10.7891/e-manuscripta-97875



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1974-10-06
08:00
Hs 1304.5:5502
https://doi.org/10.7891/e-manuscripta-97875
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
157 6 J 8.5 21.5
158 4 A -12.2 58.6
159 21 G -5.6 16.7
162 12 C -19.0 317.4
163 4 J 5.5 304.7
164 15 C 10.8 286.7
165 19 D 9.2 272.7
166 1 A -11.3 295.9
8 82