Sunspot drawing of 1977-6-25

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https://doi.org/10.7891/e-manuscripta-98764



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1977-06-25
15:15
Hs 1304.5:6321
https://doi.org/10.7891/e-manuscripta-98764
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
58 3 A 18.9 210.2
59 39 D -21.3 205.3
60 41 D 14.3 145.4
61 1 A 2.8 214.5
4 84