Sunspot drawing of 1961-3-5

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https://doi.org/10.7891/e-manuscripta-92530



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1961-03-05
08:00
Hs 1304.5:1281
https://doi.org/10.7891/e-manuscripta-92530
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
47 1 3 J 7.5 61.9
56 10 9 D -9.8 305.6
58 1 2 A -15.7 279.3
59 4 2 B 3.7 309.2
4 16 16