Sunspot drawing of 1977-6-24

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https://doi.org/10.7891/e-manuscripta-98622



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1977-06-24
07:00
Hs 1304.5:6320
https://doi.org/10.7891/e-manuscripta-98622
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
56 1 B -9.3 227.9
58 3 A 19.0 210.5
59 31 D -21.9 204.6
60 16 D 14.3 144.6
61 1 A 2.6 214.4
5 52