Sunspot drawing of 1969-4-16

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https://doi.org/10.7891/e-manuscripta-95931



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1969-04-16
08:00
Hs 1304.5:3810
https://doi.org/10.7891/e-manuscripta-95931
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
136 36 D -7.1 113.6
137 13 D -14.7 124.7
138 6 C 14.9 103.6
141 40 J 8.8 89.0
143 3 J -14.6 63.2
145 31 D 19.4 85.6
146 15 J 21.9 60.3
147 2 A 14.7 87.1
148 4 B -14.7 88.8
9 150