Sunspot drawing of 1969-7-21

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https://doi.org/10.7891/e-manuscripta-95803



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1969-07-21
09:00
Hs 1304.5:3897
https://doi.org/10.7891/e-manuscripta-95803
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
294 4 J 10.1 333.3
295 1 A 5.3 336.8
305 29 D 12.0 239.2
307 5 B 24.5 307.7
308 11 B -16.3 301.0
5 50