Sunspot drawing of 1987-7-26

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https://doi.org/10.7891/e-manuscripta-142887



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1987-07-26
08:15
Hs 1304.6:1967
https://doi.org/10.7891/e-manuscripta-142887
Observer : Marco Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
68 1 4 J -32 239
69 9 28 D -29 256
70 19 30 D -23 184
72 3 2 A -19 225
73 6 5 B -21 190
74 8 17 D 29 145
6 46 86