Sunspot drawing of 1971-6-17

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https://doi.org/10.7891/e-manuscripta-96686



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1971-06-17
13:30
Hs 1304.5:4484
https://doi.org/10.7891/e-manuscripta-96686
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
178 8 B -14.3 126.0
180 1 A -11.5 80.3
181 3 A -5.6 75.1
182 2 A -3.9 19.1
184 8 C 12.1 126.1
5 22