NGC 6642 (other designations - GCL 97 , ESO 522-SC32 ) - globular cluster in the constellation Sagittarius .
| NGC 6642 | |
|---|---|
| Star cluster | |
| Research history | |
| Discoverer | William Herschel |
| opening date | August 7, 1784 |
| Designations | NGC 6642 , GCL 97 , ESO 522-SC32 |
| Observational data ( Age J2000.0 ) | |
| Type of | Type IV globular cluster |
| Right ascension | |
| Declination | |
| Visible magnitude (V) | 8.9 |
| Visible Dimensions (V) | 5.8 ' |
| Constellation | Sagittarius |
This object is one of those listed in the original edition of the New General Catalog .
See also
- List of Messier objects
- New shared directory
Links
- Information in English and French from the original “ New General Catalog ”
- Information (Eng.) From the Revised New General Catalog
- SIMBAD
- VizieR (English)
- NASA / IPAC Extragalactic Database
- List of NGC 6642 Publications