9:13

Celestial Navigation: The Celestial Sphere

11:47

The Ecliptic

25:17

Astronomical Coordinates

4:56

Galactic Sphere, Declination, Right Ascension

8:08

Using Altitude-Azimuth Coordinates

8:27

Altitude/Azimuth Lesson

7:20

Celestial Sphere - altitude/azimuth

5:03

Where is it? Celestial coordinates explained