choice. This image is a derivative work of the following images: File:Celestial_sphere.svg licensed with Cc-by-sa-3.0,2.5,2.0,1.0, GFDL 2009-07-26T10:57:10Z...
Macedonian of the celestial sphere around the observer, showing the observer's meridian. Date 2 July 2023 Source File:The meridian line.svg Author original...
