Sunspot drawing of 1999-12-17

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https://doi.org/10.7891/e-manuscripta-150380



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1999-12-17
09:15
Hs 1304.6:5797
https://doi.org/10.7891/e-manuscripta-150380
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
402 6 11 D -33 234
403 38 46 D -12 173
404 1 1 A -16 192
405 15 17 D -13 183
406 1 2 A 9 175
407 1 2 A 17 220
408 1 3 H -17 125
409 2 8 D 18 117
8 65 90