Celestial coordinate system

Results: 502



#Item
201Event horizon / Line-of-sight propagation / Camera lens / Physics / Astronomy / Celestial coordinate system / Horizon / Horizontal coordinate system

CanVis Distance Calculations This document offers general guidelines on how to estimate the height of a feature or object in CanVis given its distance from the camera and actual height. Please note that there are many ot

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Source URL: coast.noaa.gov

Language: English - Date: 2013-07-24 16:10:17
202Celestial mechanics / Photovoltaics / Calendars / Angle / Celestial coordinate system / Insolation / Season / Direct insolation / Solstice / Atmospheric sciences / Measurement / Astronomy

55061_03_Ch03_p064_083 pp2.indd

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Source URL: www.cengage.com

Language: English - Date: 2009-11-05 10:29:24
203Astronomy / Axial precession / Angle / Units of time / Ecliptic / Axial tilt / Nutation / Longitude / Equinox / Astrology / Celestial coordinate system / Precession

Celestial Mechanics and Dynamical Astronomy[removed]:351–367 DOI[removed]s10569[removed] © Springer[removed]REPORT OF THE INTERNATIONAL ASTRONOMICAL UNION

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Source URL: aa.usno.navy.mil

Language: English - Date: 2014-11-21 14:29:26
204Celestial navigation / Algorithm / Least squares / Longitude / Horizontal coordinate system / Normal distribution / Numerical analysis / Global Positioning System / Navigational Algorithms / Navigation / Technology / Science

Determining the Position and Motion of a Vessel from Celestial Observations George H. Kaplan U.S. Naval Observatory Abstract Although many mathematical approaches to the celestial fix problem have been published, all of

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Source URL: aa.usno.navy.mil

Language: English - Date: 2014-11-21 14:29:28
205Mathematical analysis / Celestial coordinate system / Astrometry / Differential calculus / Equinox / Differential equation / Nutation / Differential of a function / Epoch / Calculus / Measurement / Precession

Technical Note Celestial Pole Offsets: Conversion from (dX,dY ) to (dψ,d²) George H. Kaplan U.S. Naval Observatory

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Source URL: aa.usno.navy.mil

Language: English - Date: 2014-11-21 14:29:28
206Precession / Astronomy / Units of time / Axial precession / Ecliptic / Nutation / Epoch / Plane of the ecliptic / Tropical year / Astrology / Celestial coordinate system / Measurement

PROGRESS REPORT OF THE IAU WORKING GROUP ON PRECESSION AND THE ECLIPTIC J.L. HILTON1 , N. CAPITAINE2 , J. CHAPRONT3 , J.M. FERRANDIZ4 , A. FIENGA5 , T. FUKUSHIMA6 , J. GETINO7 , P. MATHEWS8 , J.-L. SIMON9 , M. SOFFEL10 ,

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Source URL: aa.usno.navy.mil

Language: English - Date: 2014-11-21 14:29:26
207Abstract algebra / Linear algebra / Celestial coordinate system / Time scales / Celestial mechanics / International Celestial Reference System / International Earth Rotation and Reference Systems Service / Equinox / Epoch / Algebra / Mathematics / Measurement

IAU XXV, Joint Discussion 16: The International Celestial Reference System, Maintenance and Future Realizations 22 July 2003 eds. Gaume, McCarthy, Souchay Another Look at Non-Rotating Origins

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Source URL: aa.usno.navy.mil

Language: English - Date: 2014-11-21 14:29:28
208Celestial coordinate system / Astronomy / Celestial mechanics / Standards organizations / SOFA / Naval Observatory Vector Astrometry Subroutines / Sidereal time / International Celestial Reference System / Nutation / Measurement / Astrology / Astrometry

UNITED STATES NAVAL OBSERVATORY CIRCULAR NO. 179 U.S. Naval Observatory, Washington, D.C[removed]Oct 20

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Source URL: aa.usno.navy.mil

Language: English - Date: 2014-11-21 14:29:28
209Celestial navigation / Horizontal coordinate system / Azimuth / Celestial observation / Declination / Longitude / Sextant / Cardinal direction / Celestial coordinate system / Navigation / Aerospace engineering / Exploration

The Motion of the Observer in Celestial Navigation George H. Kaplan U.S. Naval Observatory Abstract Conventional approaches to celestial navigation are based on the geometry of a stationary observer. Any motion of the ob

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Source URL: aa.usno.navy.mil

Language: English - Date: 2014-11-21 14:29:28
210Celestial navigation / Algorithm / Longitude / Horizontal coordinate system / Parameter / Aerospace engineering / Cartography / Navigation / Mathematics / Least squares

A Navigation Solution Involving Changes to Course and Speed George H. Kaplan U.S. Naval Observatory Abstract In a previous paper [1], an approach to celestial navigation was presented that allows a vessel’s latitude, l

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Source URL: aa.usno.navy.mil

Language: English - Date: 2014-11-21 14:29:28
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