Astro Tutorial #1.4 (old version): Coordinate Systems of the night sky - ALT/AZ vs RA/DEC

New version:    • Astro Tutorial #1.4: Coordinate Systems of...   Welcome to the forth video of the tutorial session! Today we discuss following items: a) the nomenclature of important points and plains b) coordinate systems of the night sky c) finding stars with their coordinates in both systems We use “Stellarium” to explore different aspects of the grids that help us to orientate in the night sky. Download Stellarium here: https://stellarium.org/ I hope you find this video helpful. If you do: Hit like and subscribe! Next video will be about focal length aperture f-ratio and the FOV Subscribe to stay tuned! Clear skies everyone and till next time here at catchingphotons! Chris Hashtags: #ALZ/AZ #RA/DEC