Questions tagged [azimuth]
Questions about the angle in the celestial coordinate system. Consider using the tag "coordinate".
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Wrong results of calculating moon's altitude and azimuth
I'm trying to calculate moon's altitude and azimuth and I followed this formula by geoastro.de Basics of Positional Astronomy and Ephemerides
There is an example to test the formula at the end of the ...
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Azimuth formula (independent of height of body)
I am learning astronavigation. I arrived to formulas for height and azimuth of heavenly bodies.
I can easily find equations I and II from screenshot (the book is "The American Practical Navigator ...
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CSPICE vs JPL Horizons discrepancy in AZ/EL
This CSPICE spkcpo_c routine example outputs:
...
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Why does the altitude-azimuth mount have a blind spot near zenith?
I understand the subject mathematically. Azimuth of the celestrial object under track changes a finite 180 degrees instead of a infinitesimal amount as the body passes zenith. This would require ...
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Azimuth angle and elevation angle of a heliostat mirror
for the control of a heliostat I have a program for the calculation of azimuth and elevation.
Now I am still missing the calculation of azimuth angle and elevation angle for setting the mirror. While ...
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How to calculate the local time of sunrise and azimuth of rising point of Sirius?
I know that right ascension equals to $6^h45^m$ and declination equals to $-16°43'$. I need to calculate local time of sunrise and azimuth of rising point of Sirius on 23 of September for an ...
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What is the relationship between the shape of the analemma and the sun's azimuth at sunset at a given latitude?
I want to know how the sun's azimuth at sunset changes over the course of a year.
At first, I thought it would have purely sinusoidal motion, hitting its maxima and minima at the solstices, and ...
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Why is the sun not directly overhead at noon on the March equinox at N 0° 0' 0.00" E 0° 0' 0.00"?
I'm trying to teach my sons the difference between using azimuth-altitude coordinates and ecliptic coordinates. In the course of setting up some demonstrations, using Stellarium, I set my location to ...
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Tracking the Sun from Sunrise in the East to Sunset in the West
Is there a Correct way to mathematically allocate GPS/location of Azimuth Degrees ?
EG:
In the Southern Hemisphere, if North is 0 degrees, for say Sydney is direct East 90 or -90 degrees ?
Then what ...
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Solar Azimuth angle Derivation
I tried posting this on math stack exchange to no avail so I thought maybe it's more relevant here :
I know a similar question has been posted here before but no links to any mathematical derivations ...
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How do I calculate the elevation angle to the horizon?
I'm creating an app to visualize the southern area of the moon from a first-person perspective. I'm trying to determine if a point on the surface is a "checkpoint," where the elevation angle ...
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Refinement to sun/wristwatch estimate of N/S direction
As discussed in a 2015 question here
and shown in a 2013 illustration in Primer Magazine,
it's possible to estimate the north/south direction on the ground using a correlation between the hour hand of ...
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Determining Horizontal Coordinate System data (azimuth, altitude) for geographic locations
I would like to determine, specifically, azimuth and elevation data for any given location on the surface of the earth relative to another location on the surface of the earth (for my purposes, the ...
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Why doesn't the solar azimuth vary uniformly
For the past few dates, I've been observing the rotation of the earth around the sun and noticed that the azimuth of the sun doesn't vary uniformly throughout the day. The azimuth varies faster during ...
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How to calculate solar coordinates. (Right Ascension, Declination, and ultimately the Altitude and Azimuth of the Sun)
As the title says I am trying to calculate solar coordinates of the sun for a given location and time. I have spent many 10's of hours on this without success so I will sincerely appreciate help on ...