Sunspot drawing of 1970-8-17

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https://doi.org/10.7891/e-manuscripta-96412



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1970-08-17
10:15
Hs 1304.5:4233
https://doi.org/10.7891/e-manuscripta-96412
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
346 12 D 21.3 197.0
349 24 D -10.1 179.8
350 10 B -11.2 112.3
351 16 D -16.5 152.3
352 20 H 7.9 94.3
353 1 A 5.0 99.9
356 3 A 20.4 130.7
357 3 A 12.8 54.0
8 89