Night report 2025-01-09

Observers: Fabio Ragosta, Irene Salmaso

Support: Roberta Carini, Andrea Melandri, Stefano Benetti

TAT:  Claudia Gutiérrez, Amit Kumar, Konstantinos Tsalapatas

Start ( 1:00 UT): Humidity: 42%, Temperature: 14.6 Celsius, Wind speed:  1.0 m/s , Seeing: 0.84''

Middle ( 4:00 UT): Humidity: 10%, Temperature: 16.5 Celsius, Wind speed: 3.1 m/s , Seeing: 0.67

End ( 8:20 UT):  Humidity: 26%, Temperature: 15.5 Celsius, Wind speed: 2.6  m/s , Seeing: 0.64

Calibrations: Afternoon calibrations:  bias, arcs in gr11, gr13, gr16, gr18, Sky Flat eve (grz); Morning calibration: Sky flat mor (UBVRi), arcs in gr11, gr13, gr16, gr18.