NGC-4151

FAIL2 FAIL3 

Alternate Names

Eye of Sauron

Type

Supermassive

Location

in the constellation Leo

Distance

43 million light-years (13.3 megaparsecs)

Mass

45 million times the mass of the Sun

Size

Diameter equal to the size of the orbit of Saturn

Discovery Methods

• Measuring the motions of gas
• Measuring the motions of stars

A ground-based view of NGC 4151, showing its bright core and its delicate spiral arms. [SDSS]

This document was last modified: May 11, 2012.