Sunspot drawing of 1969-11-18

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https://doi.org/10.7891/e-manuscripta-95877



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1969-11-18
09:00
Hs 1304.5:4007
https://doi.org/10.7891/e-manuscripta-95877
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
475 33 D 5.8 83.7
476 37 H 12.7 75.3
477 7 C -23.3 189.2
3 77