Sunspot drawing of 1961-5-19

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https://doi.org/10.7891/e-manuscripta-92525



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1961-05-19
07:45
Hs 1304.5:1351
https://doi.org/10.7891/e-manuscripta-92525
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
132 5 C 8.5 64.3
136 5 B -11.3 66.1
138 18 C 3.2 88.2
139 1 A 7.4 73.9
140 2 B -14.2 65.6
141 4 B 12.7 11.6
142 3 B 16.3 344.2
7 38