Sunspot drawing of 1969-4-15

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https://doi.org/10.7891/e-manuscripta-95782



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1969-04-15
07:00
Hs 1304.5:3809
https://doi.org/10.7891/e-manuscripta-95782
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
133 2 A -18.7 186.5
136 27 D -7.8 112.7
137 12 D -15.0 124.9
138 11 C 14.6 104.3
141 32 J 8.8 88.7
143 4 J -14.9 63.0
145 44 D 19.2 86.3
146 6 J 21.8 60.1
8 138