Rotational periods of asteroids II

In the framework of the photoelectric asteroid observational program undertaken at Catania University to collect lightcurves apt to apply the pole computational methods, the V-band lightcurves and the values of the synodic rotational period and of the average B- V colour index of 5 Astrea, 6 Hebe, 12 Victoria, 13 Egeria, 26 Proserpina, 34 Circe, 63 Ausonia, 66 Maja, 102 Miriam, 140 Siwa, 176 Iduna, 181 Eucaris, 241 Germania, 250 Bettina, 258 Tyche, 313 Chaldea, 335 Roberta, 352 Gisela, 419 Aurelia, 471 Papagena, 537 Pauly, 639 Latona and 984 Gretia are presented.