Sunspot drawing of 1971-9-13

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https://doi.org/10.7891/e-manuscripta-96891



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1971-09-13
07:00
Hs 1304.5:4570
https://doi.org/10.7891/e-manuscripta-96891
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
267 5 J 12.8 319.5
268 16 B -15.0 1.7
269 2 A 12.8 290.5
270 3 J 4.2 279.3
271 3 A -12.7 277.2
5 29