G
- G — Lowell Proper Motion Survey (Giclas)
- GD — Lowell Proper Motion Survey (Giclas dwarf)
- GR* — Lowell Proper Motion Survey (Giclas red star)
- HG — Lowell Proper Motion Survey (Giclas Hyades)
- GC — General Catalogue of Nebulae and Clusters
- GC (Boss) — Boss general catalogue of 33342 stars
- GCRV — General Catalogue of Stellar Radial Velocities
- GCTP — General Catalogue of Trigonometric Parallaxes
- GCVS — General Catalog of Variable Stars
- Gl / GJ — Gliese–Jahreiß catalogue or Gliese–Jahreiß catalogue
- GOS — Galactic O Star Catalogue
- GSC — Guide Star Catalog
- GSC2 / GSC II — Guide Star Catalog II
- GSPC — Guide Star Photometric Catalog
- GSPC2 — Guide Star Photometric Catalog, 2nd
- Gum - Gum catalog of emission nebulae
Read more about this topic: List Of Astronomical Catalogues