Sunspot drawing of 1977-9-27

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https://doi.org/10.7891/e-manuscripta-98678



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1977-09-27
08:15
Hs 1304.5:6408
https://doi.org/10.7891/e-manuscripta-98678
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
111 7 C -23.9 97.6
114 2 A -21.0 19.9
115 16 B 27.8 62.0
116 1 A -19.8 10.5
117 14 D 14.3 345.4
119 3 B -22.4 116.8
120 5 B 33.2 340.1
7 48