Sunspot drawing of 1971-7-31

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https://doi.org/10.7891/e-manuscripta-96913



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1971-07-31
07:00
Hs 1304.5:4527
https://doi.org/10.7891/e-manuscripta-96913
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
224 3 J -7.0 242.3
226 14 J -13.2 230.9
229 3 A -13.0 276.6
230 14 B 6.9 190.5
233 1 A -18.8 233.3
234 1 A 26.6 296.7
236 5 B 9.5 198.5
237 5 A -27.3 157.4
8 46