Sunspot drawing of 1978-9-13

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https://doi.org/10.7891/e-manuscripta-98959



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1978-09-13
07:00
Hs 1304.5:6697
https://doi.org/10.7891/e-manuscripta-98959
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
309 27 E 31.2 101.6
311 10 C 17.2 68.7
314A 1 A 17.4 115.5
315 3 J 37.7 36.0
316 16 E 34.9 23.2
317 9 E 28.1 18.8
318 1 A -22.4 84.7
319 2 A -27.0 14.6
8 69