Wikidata facts
- Instance of
- globular cluster
- Constellation
- Sagittarius
- Image
- NGC6638 - HST - Potw2231a.jpg
Show 12 more facts
- catalog code
- GCl 95
- Commons category
- NGC 6638
- discoverer or inventor
- William Herschel
- time of discovery or invention
- 1784-07-12
- right ascension component of proper motion
- -4.83
- apparent magnitude
- 7.849
- right ascension
- 277.734375
- declination
- -25.496417
- epoch
- J2000.0
- radial velocity
- 9.7
- metallicity
- -1.20
- declination component of proper motion
- -6.39
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