Sunspot drawing of 1990-3-17

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https://doi.org/10.7891/e-manuscripta-145150



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1990-03-17
08:00
Hs 1304.6:2792
https://doi.org/10.7891/e-manuscripta-145150
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
134 3 5 J 20 100
137 31 28 C 32 74
143 1 3 J 5 29
144 1 3 J -19 20
145 24 29 E -34 20
147 5 6 C 41 35
148 17 21 D 16 4
151 1 3 J -11 347
152 2 1 A -17 38
153 1 3 J -30 331
10 86 102