Night report 2025-02-04

Observers: James Gillanders, Dylan Magill

Support: Michael Fulton, Shubham Srivastav

TAT:  David O'Neill, Thallis de Lourenço Pessi, Janet Chen

Beginning (UT 00:54): relative humidity = 54.6%, temperature = 15.8 degrees Celsius, windspeed = 11.8 m/s, seeing = 0.65”

Middle (UT 05:04): relative humidity = 45.9%, temperature = 16.0 degrees Celsius, windspeed = 9.5 m/s, seeing = 0.9”

End (UT 08:44): relative humidity = 44.1%, temperature = 15.0  degrees Celsius, windspeed = 3.4 m/s, seeing =0.7”

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

Estimate SNID Classifications: AT2025acn = Ia-norm, AT2025aet = Ia-norm, AT2025akf = Ia-norm, AT2025ali = IIP, AT2024lw = Ic-norm or Ia-91T, AT2025apl = Ia-norm. No match for : AT2025abd