Sunspot drawing of 1961-10-13

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https://doi.org/10.7891/e-manuscripta-92777



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1961-10-13
07:00
Hs 1304.5:1489
https://doi.org/10.7891/e-manuscripta-92777
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
291 19 C 10.7 287.7
293 25 D -7.7 306.1
295 14 C 18.0 246.9
3 58