It is one of the brightest Seyfert galaxies visible from Earth and has a D 25 isophotal diameter of about 27.70 kiloparsecs (90,000 light-years). [2]

Messier 77 has an apparent magnitude of 9.6, which makes it visible through small telescopes from dark sky locations. It spans approximately 7.1 x 6.0 arc minutes in size, which …

Jul 24, 2015 · Messier 77 is one of the largest galaxies included in the Messier catalogue. It occupies an area of 7.1 by 6 arc minutes of apparent sky, which corresponds to a linear …

Apr 25, 2025 · Both Messier and Méchain were comet hunters who cataloged nebulous objects that could be mistaken for comets. Messier, Méchain, and other astronomers of their time …

At a distance of about 44 million light years, M 77 is the closest and brightest Seyfert galaxy, a group of galaxies with a very active core, lots of hot, ionized, brightly shining gas and a high …

Messier 77 or M77 (also designated NGC 1068) is a in the constellation . It has an apparent visual magnitude of 8.9 and its angular diameter is 7x6 arc-minutes.

Jan 21, 2019 · One of these objects is known as Messier 77 (aka. Cetus A), a barred spiral galaxy located 47 million light-years from Earth in the constellation. Measuring some 170,000 light …

Nov 4, 2025 · Galaxy Information Messier 77 is one of the closest active barred spiral galaxies visible from Earth. It is about 140,000 light-years in diameter. A cloud of cosmic dust was …

Messier 77 - NGC 1068 TYPE: Spiral Galaxy, Type (R)SAB (rs)abI RA: 02h 42.7' DEC: +00degrees 01' SIZE: 8.2' X 7.3' VISUAL MAGNITUDE: 8.9 SURFACE BRIGHTNESS: 13.2 …

This was first classed by M. [Messier] in 1780 as a mass of stars containing nebulosity. It is small, bright, and exactly in a line with three small stars, one preceding and two following, of which …