Sunspot drawing of 1969-2-25

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https://doi.org/10.7891/e-manuscripta-95753



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1969-02-25
09:30
Hs 1304.5:3770
https://doi.org/10.7891/e-manuscripta-95753
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
66 23 24 D 11.1 92.8
67 88 63 E 12.1 67.8
68 43 42 D 12.9 48.7
69 14 13 J -13.4 67.6
70 28 17 C -28.5 85.4
71 5 3 A 17.9 79.0
73 2 1 A 20.8 59.6
74 6 7 C -19.6 59.3
75 76 67 E -18.0 342.2
9 285 237