Sunspot drawing of 1977-9-21

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https://doi.org/10.7891/e-manuscripta-98606



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1977-09-21
07:55
Hs 1304.5:6402
https://doi.org/10.7891/e-manuscripta-98606
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
109 20 D 7.8 200.4
110 1 A 24.4 114.2
111 40 D -23.4 99.7
112 1 A 23.2 147.7
4 62