Sunspot drawing of 1968-4-17

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https://doi.org/10.7891/e-manuscripta-95389



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1968-04-17
07:30
Hs 1304.5:3507
https://doi.org/10.7891/e-manuscripta-95389
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
158 3 A 21.6 284.2
159 17 D 22.6 248.7
164 5 J 30.5 225.0
166 7 C -12.7 281.4
167 5 B -15.6 248.3
168 3 J -11.5 181.5
169 1 A -23.5 206.5
170 4 B 24.8 176.0
174 2 A 11.1 211.0
175 2 A -14.4 177.1
10 49