Sunspot drawing of 1972-7-12

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https://doi.org/10.7891/e-manuscripta-97183



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1972-07-12
06:45
Hs 1304.5:4807
https://doi.org/10.7891/e-manuscripta-97183
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
219 7 J 8.1 16.7
223 18 C -10.5 354.4
224 3 A -2.8 25.9
226 1 A 18.4 302.5
227 3 J -11.4 295.2
229 10 C 12.0 5.1
230 3 J 8.3 244.6
231 4 J -10.0 238.1
8 49