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Clusters Nebulae Galaxies

M4 via ESO
Tonight | Jul 02, 2015

Find M4, a globular cluster by the Scorpion’s heart

In a dark sky, look for fuzzy object near bright Antares in the constellation Scorpius. This is M4, one of the closest globular star clusters to our solar system.

M5, via HST/NASA/ESA.
Tonight | Jun 09, 2015

M5, your new favorite globular cluster

Sure, M13, the Great Hercules cluster is wonderful. But some amateur astronomers say this cluster, M5, is even better.

Photo Credit: Spitzer Space Telescope
Tonight | Jun 02, 2015

Omega Centauri is our galaxy’s largest globular star cluster

Omega Centauri is the largest globular cluster known in the Milky Way galaxy. You can spot it soon after sunset on these June evenings.

Photo Credit:  Richard Hammar
Tonight | Nov 30, 2014

Triangulum galaxy, aka M33, second-closest spiral galaxy

It’s 2.7 million light-years away, and the third-largest member of our Local Group, after the Milky Way and Andromeda galaxies.

Pleiades star cluster, aka the Seven Sisters.
Tonight | Nov 12, 2014

Pleiades star cluster: Famous Seven Sisters

Frosty November is often called the month of the Pleiades, because it’s when this star cluster – sometimes called the Seven Sisters – shines from dusk until dawn.

M8  via ESO/S. Guisard/S. Brunier
Tonight | Aug 26, 2014

Messier 8 is the Lagoon Nebula

The Lagoon Nebula aka M8 is the largest and brightest of a number of nebulosities in and around Sagittarius.

M17 via the Very Large Telescope
Tonight | Aug 25, 2014

M17 is the Omega Nebula

Barely visible to the unaided eye on a dark, moonless night, the Omega Nebula (Messier 17) is best seen through binoculars, or low power in a telescope.

Trifid Hubble via Hubble Space Telescope
Tonight | Aug 18, 2014

The Trifid Nebula, or M20

The Trifid is a famous summertime binocular object. Its name means “divided into three lobes.” If you view this nebula through a telescope, you’ll see why.

Trifid Nebula, aka M20, by Martin MacPhee
Blogs | Photos | Tonight | Aug 18, 2014

Exploring the Trifid Nebula

It’s a stellar nursery, a cluster of young stars, a bright red emission nebula, a lovely blue reflection nebula, and an interesting dark nebula divided into three …

Photo Credit:  NASA
Tonight | Jul 29, 2014

M11: Wild Duck Cluster

The Wild Duck Cluster (Messier 11) is found in the constellation Scutum the Shield, just south of the Eagle’s Tail in the constellation Aquila. Unless you have eagle eyes, don’t expect to see this distant star cluster with the eye alone. Starting from the star Altair, star-hop to M11’s general location. Then find it with binoculars!