Sunspot drawing of 1977-11-4

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https://doi.org/10.7891/e-manuscripta-98836



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1977-11-04
10:00
Hs 1304.5:6436
https://doi.org/10.7891/e-manuscripta-98836
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
144 5 J -23.2 269.6
145 15 C 18.8 254.2
2 20