At long last, the skygrid is done. A year ago, I started the process to capture an image of the zenith sky every two minutes from 4 in the morning until 9 at night. Today the Sun crossed back into the sky of the Northern Hemisphere, and the camera on my porch took the last set of photos of the zenith. Here is the color spread of the equinoctal day:
And here is the final yearly grid, 495 x 365, or 180,675 separate squares (click to embiggen):
I will be processing another time-lapse movie of the Winter Half of the skygrid when I have time. Until then, check out the Summer Half.
This marks the second-to-last skygrid of the year… the equinox is coming swiftly, and the entire year will be complete on March 20th.
Click to embiggen:
Another skygrid goes up. The hourglass shape is really starting to develop. Only about 45 more days left until the equinox.
Several years ago, I became a member of the Long Now Foundation, an organization founded by Stewart Brand of the Whole Earth Catalog fame, as well as Brian Eno and various other deep thinkers and futurists. One of the aims of the Foundation is to foster thinking into the concept of “deep time”, or time that extends significantly past a human lifetime. To spark such thoughts, the Long Now Foundation is preparing a site for a clock that will keep accurate time for 10,000 years. A good source for much of this philosophizing is the book Clock of the Long Now. I enjoyed it, I hope you would too.
With that in mind, I came up with an alternative deep-time chronometer, one that is not quite as accurate but could be extended into time quite a ways. I call it my “Millenium Ball Clock”, and I have a little presentation on Vimeo for it.