Sunspot drawing of 1977-7-6

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https://doi.org/10.7891/e-manuscripta-98745



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1977-07-06
07:15
Hs 1304.5:6331
https://doi.org/10.7891/e-manuscripta-98745
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
64 13 D 38.8 131.2
66 2 A 19.2 32.8
67 3 J -20.0 0.2
68 14 B 20.3 93.4
4 32