Originally posted by DrAchoo:
I found the one I was remembering:
Gaisma.com |
Be SURE to check out the second of my links, it's extraordinary easy to work from, Penny and I are amazed by it. Drag the timeline and watch the sunline move, it graphically represents elevation as a horizontal offset from center, it will show you the exact times for all the various twilights, etc, in a simple gadget that's much more intuitive than TPE. |
