Sunspot drawing of 1977-10-30

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https://doi.org/10.7891/e-manuscripta-98784



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1977-10-30
08:00
Hs 1304.5:6431
https://doi.org/10.7891/e-manuscripta-98784
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
141 10 B 19.6 326.8
143 9 B 29.9 328.4
144 7 J -22.6 272.3
145 8 C 19.1 251.7
4 34