Sunspot drawing of 1988-4-11

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https://doi.org/10.7891/e-manuscripta-143738



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1988-04-11
12:00
Hs 1304.6:2176
https://doi.org/10.7891/e-manuscripta-143738
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
68 3 8 C 18 31
69 13 22 C 24 37
71 3 6 J -31 349
72 1 3 J -19 333
73 15 30 C 17 330
76 7 7 B -14 316
77 2 3 A -18 311
78 2 6 J 20 317
79 1 4 J 22 280
9 47 89