Sunspot drawing of 1978-8-21

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https://doi.org/10.7891/e-manuscripta-99177



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1978-08-21
07:00
Hs 1304.5:6674
https://doi.org/10.7891/e-manuscripta-99177
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
270 2 A 42.9 75.3
274 10 C -18.5 33.3
280 1 A -23.6 349.9
3 13