NGC 2506

NGC 2506
Observation data (J2000 epoch)
Constellation	Monoceros
Right ascension	08h 00m 01s[1]
Declination	-10° 46′ 12″[1]
Distance	11.3 kly[2] (3460 pc[2])
Apparent magnitude (V)	7.6[3]
Apparent dimensions (V)	7′[3]
Physical characteristics
Other designations	Cl Melotte 80,[1] Caldwell 54
See also: Open cluster, List of open clusters

NGC 2506 (also known as Caldwell 54) is an open cluster in the constellation Monoceros. It was discovered by William Herschel in 1791.^[4]

References

1. ^ ^{a b c} "SIMBAD Astronomical Database". Results for NGC 2506. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+2506. Retrieved 2010-11-28. 
2. ^ ^{a b} "WEBDA Database". Results for NGC 2506. http://www.univie.ac.at/webda/cgi-bin/ocl_page.cgi?dirname=ngc2506. Retrieved 2010-11-28. 
3. ^ ^{a b} "SEDS NGC Catalog Online". Results for NGC 2506. http://spider.seds.org/ngc/ngc.cgi?2506. Retrieved 2010-11-28. 
4. ^ Robert E. Erdmann. "NGC Discoveres". The NGC/IC Project. http://www.ngcicproject.org/erdmann/NGC_Discoverers_01.txt. Retrieved 2010-11-28. 

External links

• NGC 2506 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

Coordinates: 00^h 48^m 26^s, +85° 15′ 18″