NGC 433

NGC 433 is an open cluster in the northern constellation of Cassiopeia, located at a distance of 6,500 light years from the Sun.^[1] It was discovered on September 29, 1829, by John Herschel, and was described by John Dreyer as "cluster, small, a little compressed."^[4] The cluster is considered on the poor side, with only 12 stars above magnitude 16.^[5] It has a linear diameter of 26.3 ly, with around 479 times the mass of the Sun and an age of 65 million years.^[2]

NGC 433
Observation data (J2000 epoch)
Right ascension	01h 15m 12.0s[1]
Declination	+60° 08′ 00″[1]
Distance	6.5 kly (2.0 kpc)[1]
Physical characteristics
Mass	479+810 −301[2] M☉
Estimated age	65[2] Myr
Other designations	C 0112+598, OCISM 71, OCl 319, [KPR2004b] 16, [KPS2012] MWSC 0110.[3]
Associations
Constellation	Cassiopeia
See also: Open cluster, List of open clusters