Sunspot drawing of 1961-10-9

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https://doi.org/10.7891/e-manuscripta-92745



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1961-10-09
07:30
Hs 1304.5:1485
https://doi.org/10.7891/e-manuscripta-92745
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
285 2 A -13.7 48.4
290 14 C 4.5 339.4
291 12 C 10.6 288.6
292 1 A -15.2 329.2
293 2 B -8.7 300.3
5 31