Sunspot drawing of 1972-11-13

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https://doi.org/10.7891/e-manuscripta-97144



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1972-11-13
08:00
Hs 1304.5:4912
https://doi.org/10.7891/e-manuscripta-97144
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
358 4 C 4.5 201.2
359 3 J -3.0 76.2
360 4 H -13.3 59.0
3 11