Sunspot drawing of 1969-7-13

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https://doi.org/10.7891/e-manuscripta-95688



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1969-07-13
07:15
Hs 1304.5:3889
https://doi.org/10.7891/e-manuscripta-95688
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
282 3 J 11.7 94.8
283 19 D -15.7 88.9
290 7 C 12.8 38.4
291 13 E -15.9 17.5
294 3 J 10.1 332.2
295 5 J 6.0 334.5
296 10 D -15.0 355.3
298 2 A -25.9 50.4
299 25 D 19.0 8.3
9 87