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Science Forum Index » Optics Forum » Zeis Ascorecord Measuring Device--Astrometry
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| Author |
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| W. Watson |
 Posted: Wed Mar 05, 2008 7:19 am |
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Guest
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Can anyone give me a description of what this machine does and what it looks
like? I'm looking a paper, 1985, on photographic meteor trajectory
determination and they use it. A formula related to the device is z = U + Vr
+ S exp(Dr), where z is an angular distance from the zenth, r is the
distance from the center of project to known points, and the cap letters are
parameters that need to be determined. They do not describe U or V, as far
as I can see. S and D relate to a "shortening" of the scale with r. U and V
have the look of coordinates--(u,v). The device somehow has a fisheye lens.
--
Wayne Watson (Nevada City, CA)
Web Page: <speckledwithStars.net> |
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