Clusters Nebulae Galaxies

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The Wild Duck cluster, M11, a lovely open cluster in Scutum

The Wild Duck cluster, also known as M11, is an open star cluster in the constellation Scutum that appears best through binoculars or a telescope.

Bruce McClure

August 28, 2026

The Great Rift is a dark swath in the Milky Way

The Great Rift or Dark Rift is a darkened swath of the Milky Way where new stars are forming. It's best seen from a rural location away from light pollution.

Bruce McClure

August 19, 2026

M6 and M7: Open star clusters in the Scorpion’s Tail

M6 and M7 are star clusters near Scorpius’ stinger. Under a dark sky, these loose groups of stars can be a stunning sight.

Bruce McClure

EarthSky Voices

July 23, 2026

Find M4: An easy to spot globular cluster near Antares

Find M4, one of the easiest globular star clusters to spot. It's located just next to reddish Antares, the brightest star in Scorpius the Scorpion.

Deborah Byrd

July 22, 2026

Meet Omega Centauri, a giant globular star cluster

Omega Centauri is the Milky Way's largest globular star cluster. It contains about 10 million stars. Find out how to see this beautiful behemoth here.

Bruce McClure

May 6, 2026

Meet M13, the Great Globular Cluster in Hercules

Many stargazers call it the finest globular cluster in the northern half of the heavens. It's M13, also known as the Great Globular Cluster in Hercules.

Bruce McClure

April 21, 2026

Coma Berenices galaxy cluster, best in April and May

Myriads of galaxies - in all shapes and sizes and visible only in telescopes - shine in the Coma Berenices galaxy cluster.

Larry Sessions

April 14, 2026

The Beehive Cluster: A swarm of 1,000 stars

The Beehive Cluster is an open star cluster that lies near the center of the constellation Cancer the Crab. It goes by many names, including Praesepe and M44.

Bruce McClure

Deborah Byrd

March 1, 2026