Sunspot drawing of 1978-8-17

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https://doi.org/10.7891/e-manuscripta-99157



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1978-08-17
07:15
Hs 1304.5:6670
https://doi.org/10.7891/e-manuscripta-99157
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
270 8 C 43.3 74.6
271 1 A 37.9 52.1
273 17 C 20.5 121.0
274 7 D -18.4 32.4
275 2 A 31.7 43.1
5 35