Sunspot drawing of 1977-11-7

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https://doi.org/10.7891/e-manuscripta-98674



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1977-11-07
08:00
Hs 1304.5:6438
https://doi.org/10.7891/e-manuscripta-98674
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
144 3 4 J -23.6 268.2
145 15 12 C 19.5 254.7
146 1 2 A 23.0 165.8
147 1 3 J 23.5 138.4
4 20 21