Sunspot drawing of 1961-4-19

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https://doi.org/10.7891/e-manuscripta-92544



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1961-04-19
07:00
Hs 1304.5:1326
https://doi.org/10.7891/e-manuscripta-92544
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
98 15 C 14.0 141.1
99 7 C 2.4 130.7
103 4 C 8.4 67.0
104 7 D -12.3 64.3
106 6 D -10.6 53.0
108 7 C 9.1 123.8
109 1 A -15.5 70.4
7 47