Sunspot drawing of 1968-4-20

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https://doi.org/10.7891/e-manuscripta-95446



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1968-04-20
06:30
Hs 1304.5:3510
https://doi.org/10.7891/e-manuscripta-95446
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
159 8 H 23.6 249.7
164 6 J 30.7 221.9
168 6 B -11.8 181.2
171 2 A -3.6 174.9
176 7 B 17.7 199.3
177 3 B 9.4 186.6
178 2 A -22.7 143.1
7 34