Sunspot drawing of 1971-5-4

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https://doi.org/10.7891/e-manuscripta-96840



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1971-05-04
10:45
Hs 1304.5:4444
https://doi.org/10.7891/e-manuscripta-96840
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
135 3 J -5.2 347.0
138 22 C 12.7 270.7
139 4 J 11.4 253.1
140 2 A -11.5 245.6
141 2 A -14.3 251.0
142 1 A 8.4 245.7
6 34