NGC 121 is a globular cluster in the

Small Magellanic Cloud The Small Magellanic Cloud (SMC), or Nubecula Minor, is a dwarf galaxy near the Milky Way. Classified as a dwarf irregular galaxy, the SMC has a D25 isophotal diameter of about , and contains several hundred million stars. It has a total mass of ...

, in the constellation of Tucana. It was first discovered by John Herschel on September 20, 1835. The compiler of the

New General Catalogue The ''New General Catalogue of Nebulae and Clusters of Stars'' (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies, star clusters and ...

, John Louis Emil Dreyer, described this object as "pretty bright, pretty small, little extended, very gradually brighter middle".

References

External links

* Globular clusters 0121 Small Magellanic Cloud Astronomical objects discovered in 1835 Tucana (constellation) {{star-cluster-stub