Sunspot drawing of 1972-8-21

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https://doi.org/10.7891/e-manuscripta-97186



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1972-08-21
07:30
Hs 1304.5:4846
https://doi.org/10.7891/e-manuscripta-97186
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
275 8 J -24.1 165.9
279 6 B -12.5 183.4
280 13 C -4.9 110.1
281 15 D 9.3 111.9
282 3 B -13.4 86.4
283 3 J -14.2 79.9
6 48