Sunspot drawing of 1977-10-13

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https://doi.org/10.7891/e-manuscripta-98625



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1977-10-13
07:15
Hs 1304.5:6418
https://doi.org/10.7891/e-manuscripta-98625
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
128 26 C 5.9 206.1
129 8 H 18.1 160.0
130 4 B 19.6 261.8
131 3 B 28.3 198.9
132 1 A 18.5 172.8
133 6 D 22.1 110.0
6 48