Night report 2025-02-07

Observers: James Gillanders, Dylan Magill

Support: Shubham Srivastav, Michael Fulton

TAT:  David O'Neill, Thallis de Lourenço Pessi, Princilla J. Pessi

Beginning (UT 00:29): relative humidity = 54.3%, temperature = 18.1 degrees Celsius, windspeed = 1.5 m/s, seeing = 1.6”

Middle (UT 04:54): relative humidity = 57.0%, temperature = 17.3 degrees Celsius, windspeed = 1.2 m/s, seeing = 1.0”

End (UT 09:12): relative humidity = 66.3%, temperature = 15.1  degrees Celsius, windspeed = 0.9 m/s, seeing =1.6”

Calibrations: Bias, arcs (gr#11, gr#13, gr#13+GG495, gr#16, gr#16+OG530).

Estimate SNID Classifications: AT2025bar = Ia-norm, AT2025amm = Ia-norm, AT2025azl = IIb or II-pec, AT2025bag = Ia-norm, AT2025bah = Ia-91bg.