Sunspot drawing of 1968-4-15

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https://doi.org/10.7891/e-manuscripta-95531



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1968-04-15
14:30
Hs 1304.5:3505
https://doi.org/10.7891/e-manuscripta-95531
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
158 8 7 J 21.5 284.8
159 26 19 D 22.7 249.7
164 1 3 J 30.8 226.3
165 10 9 B 20.4 309.8
166 15 11 B -12.9 279.1
167 4 3 B -13.4 248.6
168 1 3 J -12.0 180.2
169 6 3 B -23.4 207.7
170 2 3 B 25.1 174.1
171 1 2 A -4.8 168.9
10 74 63