Sunspot drawing of 1974-9-18

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https://doi.org/10.7891/e-manuscripta-97885



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1974-09-18
07:30
Hs 1304.5:5486
https://doi.org/10.7891/e-manuscripta-97885
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
149 46 D 8.5 266.3
150 3 A -10.2 272.3
151 1 A -15.2 254.0
153 4 B 9.1 184.6
154 9 B -11.8 284.9
5 63