Sunspot drawing of 1961-8-21

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https://doi.org/10.7891/e-manuscripta-92728



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1961-08-21
08:30
Hs 1304.5:1440
https://doi.org/10.7891/e-manuscripta-92728
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
236 5 9 C 7.2 334.6
241 1 1 A 0.4 310.5
246 16 9 B 7.0 264.0
249 6 2 B 18.8 249.5
250 1 2 A -15.2 196.1
251 2 2 A 17.0 205.5
6 31 25