Sunspot drawing of 1972-5-15

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https://doi.org/10.7891/e-manuscripta-97142



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1972-05-15
15:30
Hs 1304.5:4754
https://doi.org/10.7891/e-manuscripta-97142
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
155 33 D -7.2 9.3
156 37 E -5.6 331.8
159 3 J -9.5 320.9
160 4 B 12.1 5.6
161 4 J 13.3 298.0
162 3 H 7.1 309.7
163 24 E -14.1 299.2
7 108