Sunspot drawing of 1987-7-27

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https://doi.org/10.7891/e-manuscripta-142826



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1987-07-27
07:30
Hs 1304.6:1968
https://doi.org/10.7891/e-manuscripta-142826
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
68 1 4 J -32 239
69 7 26 D -29 255
70 19 22 C -23 184
73 10 12 B -21 191
74 19 28 D 28 145
5 56 92