Sunspot drawing of 1969-9-21

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https://doi.org/10.7891/e-manuscripta-95952



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1969-09-21
07:30
Hs 1304.5:3957
https://doi.org/10.7891/e-manuscripta-95952
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
386 3 J 13.0 238.5
388 10 C -4.9 220.4
396 1 A 12.2 153.7
397 2 A -9.6 105.1
398 2 A -29.6 117.1
399 3 B 4.7 107.2
400 4 J 5.0 87.6
401 2 A -14.5 79.7
8 27