Sunspot drawing of 1972-10-21

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https://doi.org/10.7891/e-manuscripta-97095



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1972-10-21
07:30
Hs 1304.5:4894
https://doi.org/10.7891/e-manuscripta-97095
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
338 15 D -7.0 65.7
339 8 C -15.9 54.3
342 2 B -5.2 43.8
343 8 B -16.9 23.9
344 3 J -9.1 350.3
5 36