Sunspot drawing of 1961-12-28

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https://doi.org/10.7891/e-manuscripta-92770



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1961-12-28
12:30
Hs 1304.5:1544
https://doi.org/10.7891/e-manuscripta-92770
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
336 2 4 C 12.8 75.8
337 33 34 C -3.7 23.7
340 28 31 D 20.7 2.2
341 14 17 D 10.1 357.5
342 1 2 A 9.3 306.2
5 78 88