Rotation Period Determinations for 49 Pales, 96 Aegle, 106 Dione 375 Ursula, and 576 Emanuela

Synodic rotation periods and amplitudes are found for 49 Pales: 20.705 ± 0.002 h, 0.18 ± 0.01 mag with 4 maxima and minima per cycle; 96 Aegle: 13.868 ± 0.001 h, 0.11 ± 0.01 mag; 106 Dione: 16.210 ± 0.001 h, 0.18 ± 0.01 mag; 375 Ursula: 16.899 ± 0.001 h, 0.11 ± 0.01 mag. All of these objects have irregular lightcurves. For 576 Emanuela the period is 40.812 ± 0.004 h, amplitude is 0.13 ± 0.01 mag with a slightly asymmetric bimodal lightcurve.