This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Bowditchequatorialstars.svg Equatorial stars diagram based on figs of the American Practical Navigator Gov't publication in the public domain Bowditchequatorialstars svg UTC Bowditchequatorialstars svg National Imagery and Mapping Administration and User Haus derivative work Haus talk crop to western half Haus Bowditchequatorialstars