Sunspot drawing of 1968-4-7

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https://doi.org/10.7891/e-manuscripta-95518



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1968-04-07
14:00
Hs 1304.5:3499
https://doi.org/10.7891/e-manuscripta-95518
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
143 8 D -24.3 71.6
144 2 A -19.9 64.0
147 5 B -18.2 31.2
154 9 D 8.8 43.1
155 21 D -21.2 336.0
157 2 A 19.1 2.5
158 8 C 24.2 284.4
7 55