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  1. earth - How to calculate the altitude of the Celestial Equator from …

    May 30, 2018 · Perhaps you have heard that the altitude of the celestial pole (3 in the figure below) is equal to your latitude. In other words, angle 5 is the same as your latitude. Of course, …

  2. What is the connection between declination and latitude?

    Dec 26, 2021 · The celestial equator is a projection of the terrestrial equator on the celestial sphere. So doesn't that mean the geographical latitude and the declination will be "exactly" …

  3. What's the name of the projection onto the celestial sphere of the ...

    Jun 24, 2024 · The projection of earth's equator is the celestial equator. The ecliptic oscillates above and below it in a year, and the furthest north it goes is the projection onto the celestial …

  4. Could someone explain RA/dec in simple terms?

    The earth's equator becomes the celestial equator, and the north and south poles become the celestial north and south poles, respectively. By doing this you have a fairly simple way to …

  5. How do you draw the ecliptic on a celestial sphere sketch?

    Jul 1, 2019 · When you say "celestial sphere sketch" do you mean a sketch of an actual sphere with stars drawn on the outside of the sphere? Or do you mean a sketch of the flattened map …

  6. In which direction does the ecliptic plane make an angle of 60 …

    Following Cassiopeia (in 60° tilt down) on Celestial sphere: If you on the equator watch 60° up to north (to compensate solar system downward angle) at vernal equinox day moment, when sun …

  7. observational astronomy - How to explain the equation 'Altitude …

    Oct 29, 2020 · I understand that the co-latitude is equal to the altitude of the celestial equator (since it is 90 degrees away from the NCP). I also understand that declination is the height of a …

  8. Why does the Sun track out a seemingly sinusoidal path on the …

    Feb 18, 2020 · 4 Both the equator and the ecliptic are great circles on the celestial sphere. The appearance of each on a map depends on the map projection. In an equirectangular …

  9. Earth's rotation axis perpendicular to Sun-Earth line during …

    Jan 30, 2024 · More precisely, an equinox is traditionally defined as the time when the plane of Earth's equator passes through the geometric center of the Sun's disk. [7] [8] Equivalently, this …

  10. observational astronomy - How to read this star map/chart on …

    Jan 20, 2025 · What do you think you are asking, @user22646? Declination is defined as the position of north or south of the celestial equator (measured in degrees)