Sunspot drawing of 1978-9-17

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https://doi.org/10.7891/e-manuscripta-98949



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1978-09-17
07:00
Hs 1304.5:6701
https://doi.org/10.7891/e-manuscripta-98949
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
309 1 3 J 31.0 106.2
311 4 5 C 16.7 68.0
315 3 4 J 36.7 31.2
316 3 4 B 35.6 24.8
317 15 12 C 27.2 19.7
319 29 20 D -27.8 10.1
320 5 6 B 19.4 36.8
321 48 38 E 34.9 9.3
322 1 3 J 29.5 6.6
323 10 6 B -15.3 48.8
324 1 3 J -22.4 339.7
328 1 3 J 24.2 308.1
12 121 107