Reply To: Differences in Photometric Filter sets.

Dr Paul Leyland wrote:

Perhaps a longer series of measurements at a very wide range of magnitudes (from 7 to 17 perhaps) of a standard field (likely a Landolt field) may be mre informative.

Thanks Paul,

I’ve been reading about the Landolt fields in the AAVSO Transformation process. I think I’ll try and give it a shot…

Cheers
Ian.