Sunspot drawing of 1961-5-15

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https://doi.org/10.7891/e-manuscripta-92546



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1961-05-15
07:00
Hs 1304.5:1347
https://doi.org/10.7891/e-manuscripta-92546
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
125 4 A 5.9 157.7
126 6 C 2.6 159.8
131 3 A 9.7 152.8
132 3 J 8.2 65.6
134 1 A 0.1 132.8
135 3 B 6.6 70.7
6 20