Sunspot drawing of 1972-9-4

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https://doi.org/10.7891/e-manuscripta-97217



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1972-09-04
10:00
Hs 1304.5:4857
https://doi.org/10.7891/e-manuscripta-97217
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
292 1 A -3.6 14.4
293 12 C 15.9 346.9
294 5 B 14.8 328.1
298 1 A 11.1 17.5
301 13 B -8.3 319.4
302 20 D -7.2 25.8
303 2 A -15.8 340.8
7 54