Sunspot drawing of 1971-7-9

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https://doi.org/10.7891/e-manuscripta-96730



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1971-07-09
08:00
Hs 1304.5:4505
https://doi.org/10.7891/e-manuscripta-96730
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
195 3 J 16.7 228.7
196 10 D -13.9 231.2
202 24 B -7.8 125.6
204 6 J -12.0 93.4
4 43