To cite package ‘ggsky’ in publications use:

  Uskov G (2026). _ggsky: Galactic and Equatorial Coordinate
  Implementation for 'ggplot2'_. R package version 0.1.0,
  <https://github.com/uskovgs/ggsky>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggsky: Galactic and Equatorial Coordinate Implementation for 'ggplot2'},
    author = {Grigory Uskov},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/uskovgs/ggsky},
  }