Sunspot drawing of 1969-4-4

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https://doi.org/10.7891/e-manuscripta-95959



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1969-04-04
10:30
Hs 1304.5:3800
https://doi.org/10.7891/e-manuscripta-95959
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
114 4 A 22.4 306.5
120 70 D 8.0 276.8
123 4 A -9.3 332.3
127 23 D 18.3 258.0
131 21 C 20.4 246.6
132 12 H 8.8 194.7
133 3 B -19.3 181.7
7 137