Sunspot drawing of 1971-4-7

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https://doi.org/10.7891/e-manuscripta-96894



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1971-04-07
08:00
Hs 1304.5:4423
https://doi.org/10.7891/e-manuscripta-96894
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
106 1 A 9.9 6.7
111 7 J 15.1 271.6
112 6 J -14.0 263.5
114 15 C 10.3 334.0
115 4 J -4.2 246.0
5 33