NGC 595

NGC 595 is a massive H II region in the Triangulum Galaxy. It was discovered by Heinrich Ludwig d'Arrest on October 1, 1864 and is one of the biggest H II regions in the Local Group.

NGC 595 and the surrounding nebulae.

NGC 595

Emission nebula
H II region
The center of NGC 595 as seen by the Hubble Space Telescope
Observation data: J2000 epoch
Right ascension	01h 33m 33.53s[1]
Declination	+30° 41′ 29.8″[1]
Distance	3,000,000[2] ly   (920,000 pc)
Apparent dimensions (V)	1′[2]
Constellation	Triangulum
Physical characteristics
Radius	~440 ly (135 pc) (estimated)[2] ly
Designations	IRAS F01307+3025[1]
See also: Lists of nebulae