> PPS - I generally use the U. S. Naval Observatory for the reference value > for this sort of thing. It's more "official" than Stellarium, but that's > not the same thing as authoritative. - TW >
USNO is the official authority for such in the US. Only the Greenwich Observatory might be considered a higher authority. Alas their website is kind of wonky today, which is ironic since it's Solstice. -- Bill Ricker bill.n1...@gmail.com https://www.linkedin.com/in/n1vux
