Sunspot drawing of 1966-8-20

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https://doi.org/10.7891/e-manuscripta-94848



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1966-08-20
06:30
Hs 1304.5:2999
https://doi.org/10.7891/e-manuscripta-94848
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
142 5 B 34.1 1.7
143 4 A 21.8 348.2
147 3 A 13.6 253.8
3 12