Where is it? Celestial coordinates explained
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YouTubeNebula Photos
Where is it? Celestial coordinates explained
What's the difference between RA/DEC and Alt/Az? Why use both? In this video I will explain what a coordinate system is, and why we often use both an equatorial coordinate system (RA/DEC) and a horizontal coordinate system (Alt/Az) in amateur astronomy. This is part of a series called Five Minute Fridays where I will be explaining one concept ...
52.4K viewsJun 11, 2021
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