Pinawa Sundial

2002-03-19 Thread Roger Bailey
I was pleased to see a picture of the new Pinawa Sundial on the cover of the latest Journal of the Royal Astronomical Society of Canada (JRASC). This large horizontal dial by Carl Sabanski has a 10x10 meter base and 5 m gnomon. There is an excellent article in the JRASC by Michael Attas. See

Re: Pinawa Sundial

2002-03-19 Thread J.Tallman
Hello All, This is an interesting link, and I especially liked their mascot for the day of unveiling! It looked like it was quite an auspicious occasion, and I wish I could have been there to take it all in...around here people just don't seem to get that excited about sundials...except me of

On cone gnomons,ita-bab lines, sidereal time and umbrella dials

2002-03-19 Thread Anselmo P�rez Serrada
Hi diallists, hi Chris, Thanks a lot for your explanation. I was writing something like that for the list, but you've done it much better than I would. Let me add a small thing: Where does all this come from? As I told before, in an equatorial plane the circumpolar 'parabola' is now a