<HTML>Jane B. Sellers wrote:
>
> Hi Jeff, I'm offended by remarks by Joanne, but I do
> want to respond to your questions...although much of what I
> have replied to her posting will also be relevant.
>
> In the late 80's, the Lodestar program that I used for
> determining the dates at which heliacal risings of specific
> stars were visible "to a keen eyed observer, at sea level, on
> a clear dry night" was very expensive, much more so than most
> of those offered.
Hi Jane...quick question: did Lodestar take into account atmospheric extinction?
Best Regards,
Dave</HTML>
