Sunspot drawing of 1967-8-20

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https://doi.org/10.7891/e-manuscripta-95150



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1967-08-20
13:30
Hs 1304.5:3311
https://doi.org/10.7891/e-manuscripta-95150
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
310 3 6 H -30.8 165.0
311 1 3 J 17.7 222.5
312 10 13 E 8.8 203.7
316 1 1 A -30.1 111.1
317 6 8 B 25.6 95.6
318 1 2 A 11.0 232.2
319 14 18 E 22.5 90.1
320 1 2 A 13.0 95.6
321 1 1 A 16.9 77.7
322 2 3 J 12.8 81.7
10 40 57