Sunspot drawing of 1971-9-15

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https://doi.org/10.7891/e-manuscripta-96919



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1971-09-15
07:00
Hs 1304.5:4572
https://doi.org/10.7891/e-manuscripta-96919
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
267 3 J 12.2 319.0
268 13 B -15.7 0.5
269 2 A 13.0 290.3
270 5 J 4.0 280.1
271 31 H -11.9 274.9
272 2 A 5.2 23.8
6 56