Next message: Bill: "Re: Lunars"
> I don't think you should worry too much about this (that they were all
> "under"). These are excellent results, and the fact that they are all
> negative
> values probably means nothing. Considering the weather at the time of those
> sights and the low altitude of Venus, you might want to experiment with
> varying
> the temperature during the clearing process to see how much that will
> influence the cleared distance. The air has been very thick in the Midwest US
> recently! High barometric pressure and Siberian cold guarantees a significant
> increase in atmospheric density and therefore refraction.
Frank
I did note temperature and barometric pressure at the time and corrected the
BP to 700ft. I did not try changing temperatures but will do. I did occur
to me with Venus relatively low in the sky and high PB refraction could be
playing with me.
Thanks
Bill
