Sunspot drawing of 1961-11-18

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https://doi.org/10.7891/e-manuscripta-92693



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1961-11-18
07:45
Hs 1304.5:1515
https://doi.org/10.7891/e-manuscripta-92693
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
318 4 7 J 6.6 215.3
321 1 1 A 9.2 184.1
2 5 8