Sunspot drawing of 1988-4-9

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https://doi.org/10.7891/e-manuscripta-143625



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1988-04-09
07:30
Hs 1304.6:2174
https://doi.org/10.7891/e-manuscripta-143625
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
68 15 25 C 18 31
69 19 27 C 25 38
70 3 2 B 30 6
71 11 12 C -31 348
72 1 3 J -19 333
73 19 26 C 16 330
74 1 3 J -19 112
75 1 2 A -25 335
76 1 3 J -14 315
77 1 3 J -18 311
78 5 5 A 20 317
11 77 111