Re: Star Trails in 3d

[P3D John W Roberts <roberts@xxxxxxxxxxxxxxxxx>]

>Date: Fri, 8 Nov 1996 11:06:27 -0600
>From: "P3D Dr. George A. Themelis" <fj834@xxxxxxxxxxxxxxxxxxxxx>
>Subject: Re: Star Trails in 3d

>Star trails,like other natural phenomena, can be recorded in 3d. 
>Basically, anything that can be recorded in 2d can be recorded in 3d.
>You have noticed that many of the more successful pictures of star trails
>include something else in the foreground like a building or a tree? 

That also applies to daytime stereo photos of large-scale scenic wonders
such as Yosemite. (A convenient tree gave me a useful 3D photo including
Bridalveil Falls.)

>To make the 3d picture more interesting you can try and include something
>similar to give the depth needed.  The trails will act as the distant
>backround or sky painting.  Same applies for the northern lights, rainbows
>and fireworks with a regular stereo camera.  I always wanted to capture a
>good 3d picture of star trails but have not succeeded yet.

Another good subject in non-standard lighting conditions: silhouettes.
I've had success with some stereo photos of trees, a windmill, etc.,
looking completely black against a sunset sky.

It may be possible to apply this to star trails - set up a 3D camera on a
tripod so that it points at the stars through a set of monkey bars. :-)

John R


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