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Messier Objects

A list of about 110 astronomical objects compiled by French astronomer Charles Messier at the end of the 18th century. The catalog includes objects such as nebulae, star clusters, and galaxies, and the objects are denoted by an M followed by a number from 1 to 110.


Virgo, the virgin

Virgo October 4, 2011

Cancer, the Crab

Cancer, the Crab October 4, 2011

Radio Programs

Grand M81 A “grand design” for a galaxy May 24, 2016

Triangulum Galaxy A busy member of the Local Group October 5, 2015

Messier 22 “Discovering” an ancient star cluster August 23, 2015

M87 Cluster A cosmic bullet from a black hole April 24, 2015

Galactic Companions Like looking in a galactic mirror April 11, 2015

M15 A fading family of ancient stars September 10, 2014

Messier Clusters Logging star clusters in Sagittarius July 24, 2014

Dumbbell Nebula A blaze of color for a dying star July 11, 2014

Messier 3 Tracking down false comets May 27, 2014

Hercules Cluster A starry realm without night May 26, 2014

Supernova Factory A galaxy with a steady supply of fireworks March 24, 2014

Evening Clusters Star clusters for the charioteer January 18, 2014

M18 A faint cluster with a bright pedigree August 24, 2013

M4 An ancient city of stars August 3, 2013

M101 A beautiful galactic neighbor May 30, 2013

Hercules The strongman strides across the night sky May 17, 2013

M35 A crowded stellar neighborhood January 17, 2013

M2 A distant home for old stars January 5, 2013

Capricornus The edge of the celestial sea October 11, 2012

M11 A flock of young stars August 8, 2012

Steamy Sights Steamy sights in the southern sky July 25, 2012

Galactic Nests Keeping the chicks close to the nest July 21, 2012

M15 Debating a medium-sized black hole October 21, 2011

M2 An ancient family of stars September 16, 2011

M7 A bright but distant star cluster August 27, 2011

The Big Dog A constellation with a bite March 24, 2011

Cancer A famous but faint constellation March 11, 2011

M87 Black Hole Looking for a hidden giant March 9, 2011

Young Black Hole Watching an infant black hole March 8, 2011

M46 and M47 Two prominent "families" of stars... February 25, 2011

Featured Images

Hubble Space Telescope view of globular cluster M2

Stars Galore January 6, 2013

Hubble Space Telescope view of M104, the Sombrero Galaxy

Galactic Hat Dance July 2, 2012

The star cluster M7

Aging Family August 28, 2011

X-ray and radio image of galaxy M87

Close to the Monster March 10, 2011

M87 black hole

Busy Black Hole August 11, 2010

An ultraviolet view of the spiral galaxy M81 shows young, hot stars in blue and

Grand Galaxy June 12, 2010