Sunspot drawing of 1987-7-25

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https://doi.org/10.7891/e-manuscripta-142875



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1987-07-25
07:45
Hs 1304.6:1966
https://doi.org/10.7891/e-manuscripta-142875
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
68 3 6 J -32 240
69 16 34 D -29 254
70 20 28 D -23 184
72 6 7 B -19 224
74 10 18 D 29 146
5 55 93