Sunspot drawing of 1971-8-12

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https://doi.org/10.7891/e-manuscripta-96953



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1971-08-12
07:00
Hs 1304.5:4539
https://doi.org/10.7891/e-manuscripta-96953
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
240 7 J -8.0 97.9
241 7 C 11.9 123.9
242 8 J -12.5 88.7
246 11 B 20.1 41.4
247 5 J 12.9 353.7
248 2 A -11.2 56.9
249 5 B 12.7 36.3
7 45