Sunspot drawing of 1971-10-31

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https://doi.org/10.7891/e-manuscripta-96963



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1971-10-31
13:30
Hs 1304.5:4616
https://doi.org/10.7891/e-manuscripta-96963
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
296 12 H -7.0 131.7
299 4 H 10.1 80.1
303 26 B -12.1 87.6
304 3 J -10.3 1.4
305 3 J -19.5 359.5
5 48