Sunspot drawing of 1978-8-18

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https://doi.org/10.7891/e-manuscripta-99154



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1978-08-18
06:45
Hs 1304.5:6671
https://doi.org/10.7891/e-manuscripta-99154
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
270 6 J 43.3 77.0
271 1 A 37.4 50.2
273 15 C 20.6 121.2
274 7 C -18.7 32.9
276 1 A -23.0 119.3
277 1 A -14.5 66.1
6 31