Sunspot drawing of 1971-6-16

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https://doi.org/10.7891/e-manuscripta-96695



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1971-06-16
05:00
Hs 1304.5:4483
https://doi.org/10.7891/e-manuscripta-96695
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
178 2 B -14.3 123.1
179 2 A -8.8 36.1
180 1 A -12.3 78.6
181 1 A -5.9 74.8
182 1 A -3.4 18.9
183 1 A -5.6 17.3
6 8