Re: [Utah-astronomy] Comet Lulin on 2/3/09

Tyler, if you could shoot two images during the same session, separated by the largest interval possible without incursion of twilight, they would make a dandy stereo pair. The motion of the earth and comet through space during the time between exposures, will shift the comet relative to the background stars enough to give us a good 3D effect. Simultaneous exposures separated by distance are not required for stereo comet imaging. The crossed-eyes method will work great on a computer monitor (unless you are one of the unfortunate people who can't fuse overlapped images). This comet is no Hale-Bopp, but if the tail sprouts a bit, we could have another like Ikeya-Zhang.