Sunspot drawing of 1971-7-29

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https://doi.org/10.7891/e-manuscripta-96748



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1971-07-29
08:00
Hs 1304.5:4525
https://doi.org/10.7891/e-manuscripta-96748
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
219 10 C 11.8 312.8
224 3 J -7.3 242.7
226 14 J -13.5 231.2
229 2 B -13.8 273.5
230 7 B 6.6 189.5
233 2 A -20.9 233.8
6 38