Sunspot drawing of 1971-9-16

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https://doi.org/10.7891/e-manuscripta-96667



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1971-09-16
07:00
Hs 1304.5:4573
https://doi.org/10.7891/e-manuscripta-96667
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
267 4 J 11.8 318.6
268 8 B -15.7 1.3
269 1 A 12.8 291.6
270 5 J 4.0 279.4
271 30 H -12.0 275.5
273 2 A -2.8 240.7
6 50