Sunspot drawing of 1961-8-20

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https://doi.org/10.7891/e-manuscripta-92730



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1961-08-20
08:30
Hs 1304.5:1439
https://doi.org/10.7891/e-manuscripta-92730
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
236 13 13 E 7.5 333.1
241 1 1 A 0.8 303.6
246 12 13 B 7.2 264.2
249 1 2 A 18.4 249.6
250 1 2 A -15.4 196.3
5 28 31