Sunspot drawing of 1977-11-23

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https://doi.org/10.7891/e-manuscripta-98667



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1977-11-23
08:00
Hs 1304.5:6453
https://doi.org/10.7891/e-manuscripta-98667
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
154 12 C 23.5 61.3
161 8 C 24.3 26.3
2 20