Sunspot drawing of 1968-4-16

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https://doi.org/10.7891/e-manuscripta-95441



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1968-04-16
07:00
Hs 1304.5:3506
https://doi.org/10.7891/e-manuscripta-95441
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
158 7 J 21.7 284.3
159 19 D 22.9 249.1
164 3 J 30.5 225.8
165 7 B 20.2 309.8
166 7 B -12.9 279.2
167 2 B -13.8 250.3
168 3 J -11.8 180.8
169 2 A -24.5 205.1
170 4 B 24.2 175.3
171 1 A -4.5 169.9
172 2 A 17.7 258.6
173 1 A -13.0 165.7
12 58