Sunspot drawing of 1975-8-10

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https://doi.org/10.7891/e-manuscripta-98019



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1975-08-10
14:30
Hs 1304.5:5759
https://doi.org/10.7891/e-manuscripta-98019
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
67 17 D 4.6 312.7
68 73 F 8.6 254.1
69 8 C 8.2 307.6
70 2 A -6.5 172.0
4 100