Sunspot drawing of 1969-7-31

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https://doi.org/10.7891/e-manuscripta-95920



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1969-07-31
06:00
Hs 1304.5:3907
https://doi.org/10.7891/e-manuscripta-95920
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
313 17 J -17.0 150.7
314 60 D -7.5 125.0
316 7 B 27.4 189.3
317 4 B -13.3 176.4
318 1 A -17.4 173.3
319 3 A -16.0 105.9
321 18 D -11.7 63.7
322 1 A -13.8 159.5
323 1 A 11.5 117.4
324 2 A 5.7 103.2
325 2 A 8.4 60.1
11 116