Ed said, >If two observers a couple of thousand kilometres apart (ideally more or less east-west) took simultaneous images of the same bunch of geosynch satellites it would be possible to make a real stereo image. I once posted a message about something similar. I think it would be relatively easy to have two people only a few miles apart photographing the path of a relatively low orbit object (like the ISS) as it moved by, especially in a direction that is getting obviously farther away. The images would show the satellite's track as a streak displaced laterally against a background of stars that would also be short streaks. If the people are displaced properly, when the images are viewed simultaneously a person should be able to see the track of the ISS getting farther away. A person could even make the pair of images as an anaglyph (red/green) and post it on the Web so that even those w/o the ability to look two places at once could see the 3D effect as long as they could get a hold of some red/green glasses somewhere. Just a thought. :~) Tom Iowa USA ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@satobs.org http://www2.satellite.eu.org/sat/seesat/seesatindex.html
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