Sunspot drawing of 1988-12-20

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https://doi.org/10.7891/e-manuscripta-143733



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1988-12-20
09:00
Hs 1304.6:2396
https://doi.org/10.7891/e-manuscripta-143733
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
397 2 6 G 10 344
398 1 2 A -12 337
400 5 12 C -30 328
400A 6 16 D -33 320
401 2 3 A -34 306
405 8 19 D 20 310
405A 13 24 D 23 301
406 15 38 D 26 276
407 19 36 D 23 266
407A 7 16 C 27 256
409 14 32 D -22 265
410 9 24 D 16 220
413 6 20 D 20 201
414 5 18 D 16 264
14 112 266