Double Stars

Virgo

Virgo

View the full issue in the Magazine Archive Virgo is a sprawling constellation that lies high in the southern sky during late spring. This constellation is easy to find thanks to the presence of its...

Cancer

Cancer

View the full issue in the Magazine Archive Cancer, the Crab, is a mid-sized constellation that lies just east of Gemini and just west of Leo. Cancer is made up solely of dim stars, and its shape is...

Gemini

Gemini

View the full issue in the Magazine Archive M35 and NGC 2158. Photo © Scott Rosen. Gemini, the twins, lies northeast of Orion along the band of the Milky Way. The most obvious part of Gemini is the...

Perseus

Perseus

Double Cluster, NGC 869 & NGC 884. Photo © Boris Stromar|Dreamstime.com. To the ancient Greeks, the stars of Perseus represented a hero. To me, this constellation bears little resemblance to a...

Andromeda

Andromeda

Andromeda Galaxy, M31. Photo © Shaphan Shank. Andromeda is one of those ideal constellations that is easy to find, and that contains a wide variety of outstanding telescopic targets. The main part...

Lacerta

Lacerta

Lacerta, the Lizard, is a small and little-known constellation that lies along the band of the Milky Way right between the constellations Cygnus and Cassiopeia. Although its stars are all rather...

Hercules

Hercules

M13. Photo © Reinhold Wittich/Dreamstime.com. Hercules, the Strongman, is a large constellation that lies straight east of Bootes, the constellation we focused on last month. If you imagine a line...

Bootes

Bootes

M3. Photo © Reinhold Wittich/Dreamstime.com. Bootes lies nearly straight overhead on June evenings in the Northern Hemisphere. This constellation is relatively easy to find, not only because of its...

Coma Berenices

Coma Berenices

M64 On May evenings, our planet is turned so that we are looking out the side of the Milky Way instead of looking edgewise through its arms. This orientation means that there are few star clusters...

Canis Major

Canis Major

Canis Major, the Great Dog, lies in the southern sky just southeast of Orion. Like Orion, many of the stars that make up Canis Major are bright. The constellation’s brightest star, Sirius, is the...

Triangulum and Aries

Triangulum and Aries

Triangulum and Aries are a pair of small constellations that lie south of Andromeda, between the Great Square of Pegasus and the Pleiades. Triangulum, the Triangle, is the more northerly of the...

Cetus

Cetus

NGC 253. Photo © CC by 3.0. The southern sky is nearly devoid of bright stars on evenings in late autumn and early winter. Cetus, the Whale, is a relatively large constellation that lies in the...

Pegasus

Pegasus

M15. Photo © Hubble and NASA. Pegasus is one of the most familiar autumn constellations. The most prominent part of the constellation is a large square of stars (~15° across) known as the Great...

Lyra

Lyra

Ring Nebula. Photo © NASA, ESA, and the Hubble Heritage (STScl/AURA)-ESA/Hubble Collaboration. Lyra, the Harp, is a small constellation that lies almost straight overhead on August evenings in the...

Draco

Draco

Cat's Eye Nebula (NGC 6543). Photo © Scott Rosen. Draco, the Dragon, is a sprawling circumpolar constellation that wraps around the Little Dipper. The Dragon’s head is a small group of four stars...