Here are the transformation coefficients for W30, from 10 nights in October and November. W30 uses the Astrodon interference filters.
Arne
Tv = 0.014 +/- 0.006
Tbv = 0.949 +/- 0.009
Tvr = 1.051 +/- 0.014
Tri = 0.992 +/- 0.027
Tvi = 1.033 +/- 0.017
kv = 0.142 +/- 0.025
kbv = 0.123 +/- 0.039
kvr = 0.029 +/- 0.013
kri = 0.045 +/- 0.024
kvi = 0.073 +/- 0.024