Sunspot drawing of 1981-5-16

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https://doi.org/10.7891/e-manuscripta-139089



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1981-05-16
08:00
Hs 1304.6:115
https://doi.org/10.7891/e-manuscripta-139089
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
233 6 6 C 9 230
237 13 15 D 11 210
238 1 3 J -7 199
240 61 52 E 13 156
241 23 25 D 14 145
245 5 8 H -25 120
247 13 16 D -27 163
7 122 125