Sunspot drawing of 1966-2-22

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https://doi.org/10.7891/e-manuscripta-94625



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1966-02-22
08:00
Hs 1304.5:2834
https://doi.org/10.7891/e-manuscripta-94625
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
18 4 J 30.0 186.9
19 31 E 20.5 153.5
20 2 A 12.0 155.2
21 13 A 20.6 129.4
4 50