Sunspot drawing of 1968-9-23

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https://doi.org/10.7891/e-manuscripta-95614



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1968-09-23
07:00
Hs 1304.5:3651
https://doi.org/10.7891/e-manuscripta-95614
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
424 3 J 17.0 295.9
427 11 C 2.3 274.3
429 28 E 17.0 251.5
432 3 J 14.2 239.7
434 3 A -8.8 310.5
435 8 C -17.0 256.2
436 2 A 18.7 232.1
437 6 D 11.3 208.5
438 2 A 15.5 229.2
439 3 J 19.1 199.0
440 8 D 12.8 194.4
11 77