|NGC 4485 & NGC 4490: Galaxy Pair (Canes Venatici) RA: 12h 30.5m / DEC: +41° 40'.2|
Instrument: 10-inch Starfinder
NGC 4485 and NGC 4490 are pair of galaxies that neighbor Beta Canum Venaticorum. They reside 40' northwest of the 4.2 magnitude star. NGC 4490 is the larger and brighter of the pair. The 5'x2' size and tortellini shape hint at its spiral structure. NGC 4490 is bright with visual magnitude of 9.8 and a surface brightness of 21.5 magnitude per square arc second. NGC 4485 resides 3'.3 to the north. By comparison, this is a small, faint galaxy. It covers a 2'x1' area and has a surface brightness of 22.3 magnitude per square arc second.
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Revised: March 2, 2002 [WDF]