Messier 88 — Galaxy in Coma Berenices

M88 is a spiral galaxy located about 47 million light-years away in the constellation Coma Berenices, within the Virgo Cluster. It is classified as a type Sb spiral with well-defined, tightly wound spiral arms and a prominent central bulge. The galaxy is inclined about 64 degrees to our line of sight, giving it an elegant elongated appearance. M88 spans roughly 105,000 light-years across, making it comparable in size to the Milky Way. It is a Seyfert 2 galaxy, meaning its nucleus harbors an active galactic nucleus (AGN) with a supermassive black hole that is actively accreting material, though the most energetic emissions are obscured by a torus of dust when viewed from our angle.

Located about 1.5 degrees northwest of M91 and about 4 degrees east-northeast of the bright galaxy pair M84/M86 in the Virgo Cluster. A 4-inch telescope at 80-100x shows an elongated oval glow with a bright central condensation. Larger apertures (8 inches+) begin to reveal the galaxy's disk structure and hints of the spiral arms under dark, transparent skies. The galaxy's moderate inclination makes it visually appealing, showing more structure than face-on or edge-on orientations. Best observed from March through June during Virgo Cluster season.

Discovered by Charles Messier on March 18, 1781, along with several other Virgo Cluster galaxies during the same observing session. William Herschel later observed it and noted its elongated shape. In the 20th century, spectroscopic studies revealed its Seyfert nature, and modern surveys have identified it as hosting an active nucleus powered by a supermassive black hole.