Sunspot drawing of 1977-5-30

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https://doi.org/10.7891/e-manuscripta-98774



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1977-05-30
10:00
Hs 1304.5:6300
https://doi.org/10.7891/e-manuscripta-98774
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
47 38 B 20.0 207.9
49 10 B 20.5 121.3
2 48