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Brightest Stars

Alpha Centauri
Tonight | May 21, 2013

Star of the Week: Alpha Centauri is the closest star system to our sun

The third star in the system, a red dwarf called Proxima Centauri, is thought to be about 4.22 light-years distant and is actually our sun’s closest neighbor.

Cor Caroli by F. Ringwald, Fresno State
Tonight | Apr 15, 2013

Cor Caroli, the Heart of Charles

The star Cor Caroli, or Alpha Canum Venaticorum, is a binary star and the brightest star in the northern constellation Canes Venatici.

Constellation Crux photo by Christopher J Picking in New Zealand.  More information about this photo here.  Used with permission
Tonight | Apr 08, 2013

Mimosa second-brightest in Southern Cross

If you’re in the U.S., you must be at about New Orleans’ latitude to glimpse it. From the southern hemisphere, Mimosa is a prominent and beloved star.

Constellation Crux photo by Christopher J Picking in New Zealand.  More information about this photo here.  Used with permission
Tonight | Mar 25, 2013

Acrux is brightest star in Southern Cross

Blue Acrux shines as the brightest star in the constellation Crux the Southern Cross.

Alphard.  (North Central Kansas Astronomical Society)
Tonight | Mar 20, 2013

Alphard is the Snake’s Heart

You can see Alphard – the Heart of the constellation Hydra the Water Snake – in the evening in March, April, and May.

Procyon
Tonight | Feb 24, 2013

Procyon is the Little Dog Star

Procyon – in Canis Minor the Lesser Dog – actually means “before the dog.” That’s because it rises into the sky shortly before the Dog Star Sirius in Canis Major.

Castor system via Jeremy Perez
Tonight | Feb 18, 2013

Castor is six stars in one

Two stars noticeable for being bright and close together might be Castor and Pollux of the Gemini Twins constellation.

Canopus seen from ISS
Tonight | Feb 10, 2013

Canopus is home star of fictional Arrakis of Dune

From southerly latitudes, you’ll easily find Canopus on February evenings. Look southward below brilliant Sirius. Canopus is our second-brightest star.

Elnath represents the Bull's Northern Horn.  Via Urania
Tonight | Jan 27, 2013

Elnath is close to the galactic anticenter

Elnath is the second-brightest star in Taurus the Bull. It’s the closest bright star to the galactic anticenter – the point in space that lies directly opposite of the center of our Milky Way galaxy.

Double star system Capella.  Image Credit: Atlas of the Universe
Tonight | Jan 14, 2013

Capella is two golden stars

We see Capella as the brightest star in the constellation Auriga the Charioteer. It is really two stars, each with a golden color similar to our sun.