NGC 6569 explained

NGC 6569
Class:	VIII
Epoch:	J2000
Constellation:	Sagittarius
Ra:	^[1]
Dist Ly:	35.5abbr=onNaNabbr=on
Appmag V:	9.47
Size V:	7.0 × 7.0^[2]
Metal Fe:	-0.76^[3]
Names:	GCl 91, ESO 456-77, VDBH 260

NGC 6569 is a globular cluster in the constellation Sagittarius. It has an apparent magnitude of about 9.5,^[1] and an apparent diameter of 7 arc minutes, and class VIII with stars of magnitude 15 and dimmer.^[2] It is about 2 degrees south east of Gamma² Sagittarii. The globular cluster was discovered in 1784 by the astronomer William Herschel with his 18.7-inch telescope and was catalogued later in the New General Catalogue.^[4]

Notes and References

1. NGC 6569. 13 February 2017.
2. Web site: NGC 5634. 7 January 2016.
3. Web site: Catalog of Parameters for Milky Way Globular Clusters. William E. Harris. 13 February 2017.
4. Web site: New General Catalog Objects: NGC 6550 - 6599. Courtney Seligman. 13 February 2017.