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Astronomy Online Resources

Online Star Charts

SkyandTelescope.com's Interactive Sky Chart AstroImage AstroViewer Hawaiian Astronomical Society's Storybook and Deepsky Atlas Heavens Above National Geographic's Star Chart Nearest and Brightest Stars in VRML Sky View Café Project DeepSkyMap StarGazer Java atlas Starchart Map Server Skymaps.com Weather Underground Sky Chart

Mercury near the Sun's limb

Astronomy Questions & Answers

How can I polar align in the daytime?

I want to see a planetary transit. How can I polar align my telescope in the daytime? One good way is to use the Sun. Carefully level your mount with a bubble level and set the polar axis to the latitude of your site. Hang a weighted string from the…

Seeing

Stargazing Basics

A Scale of Seeing

Amateurs long have recorded the seeing quality in their observing logbooks on a rather subjective scale of 1 to 10, with 1 hopeless and 10 perfect.

Astronomy & Observing News

Long-Lived SOHO Celebrates A Milestone

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Astronomy & Observing News

Long-Lived SOHO Celebrates a Milestone

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Astronomy & Observing News

~Black Hole Mass Measurement

Even though it is nearly 100-million light-years distant in the constellation Ursa Major, this Seyfert type galaxy named NGC 3516 has been observed to have a super-massive black hole lurking within it estimated to be over 10-million times the mass of the Sun.HST/ UCLA/ M. Malkan The IMAGE_1 tag will…

Astronomy & Observing News

New Light on Dark Energy

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Black Hole Orbit

Astronomy & Observing News

Black Hole Booted from Galaxy

A black hole now zipping through Ursa Major might have been dropkicked out of the galactic disk by an asymmetrical supernova.

Celestial News & Events

Sunday Night's Flyby of Asteroid 2004 XP14

A small asteroid will brighten to 11th magnitude as it passes close by Earth. Here's how to find it.

Celestial News & Events

Moon and Planets Parade at Dusk

Four of our solar system's bright planets are putting on a parade at dusk during the last week of June 2006, joined by the thin crescent Moon.

Press Releases

Planets Parade at Dusk

June 22, 2006 Contact: Alan MacRobert, Senior Editor 855-638-5388 x151, [email protected] Marcy McCreary, VP Mktg. & Business Dev. 855-638-5388 x143, [email protected] Note to Editors/Producers: This release is accompanied by publication-quality graphics and a broadcast-quality animation; see details below. As if to celebrate the change of the seasons, four of our…

Astronomy & Observing News

The Amazing Somersaulting Satellite

A rising blob inside Saturn's moon Enceladus might be responsible for many of the satellite's bizarre aspects, including water geysers, an enigmatic "tiger stripe" pattern of warm ribbons, and perhaps even a planetary somersault, two researchers propose in the June 1st Nature. Planetary scientists have known since the Voyager flybys…

Astronomy & Observing News

The Birth of Carbon Planets?

Exotic planets, dense with diamonds and graphite, might be forming around a nearby star. Astronomers announced this week that the disk around the young star Beta Pictoris is brimming with carbon, raising the possibility that abnormally carbon-rich planets might be forming there. The rocky planets in our solar system are…

Astronomy & Observing News

Did Ancient Americans Record a Supernova?

Two astronomers have proposed that a rock carving found in the White Tanks Regional Park, north of Phoenix, Arizona, may represent the supernova of AD 1006. If true, the carving would be the oldest known Native American record of a supernova, and the only known record of Supernova 1006 in…

Astronomy & Observing News Saturn's Stunning Beauty"}'>

Astro Image in the News:
Saturn's Stunning Beauty

The Cassini orbiter releases another amazing view of the Saturnian System.

Press Releases

Sky Publishing Completes Sale to New Track Media LLC

Sky Publishing Corporation, the privately held publisher of astronomy periodicals and books, announced today that it has completed the sale of its business to New Track Media LLC, an entity formed in the fall of 2005 by Stephen J. Kent and Boston Ventures.

Press Releases

Big, Bright, Two-Spotted Jupiter Dominates the Evening Sky

May 1, 2006 Contacts: Alan M. MacRobert, Senior Editor 855-638-5388 x151, [email protected] Marcy L. McCreary, VP Marketing & Business Dev. 855-638-5388 x143, [email protected]   Note to Editors/Producers: This release is accompanied by publication-quality graphics; see details below. Look southeast after dark this month, and you'll see a bright white "star"…

Press Releases

Ready for 2006? You'll Have to Wait a Second!

December 20, 2005 Contacts: Roger W. Sinnott, Senior Editor 855-638-5388 x146, [email protected] Marcy McCreary, VP Mktg. & Business Dev. 855-638-5388 x143, [email protected]   Note to Editors/Producers: This release is accompanied by a publication-quality graphic; see details below. The world's clocks are due to be reset on December 31st — by…

Press Releases

Moon to Sweep Through the Pleiades

March 27, 2006 Contact: Alan MacRobert, Senior Editor 855-638-5388 x151, [email protected]   Note to Editors/Producers: This release is accompanied by publication-quality graphics; see details below. A special celestial event to watch is coming up on Saturday evening, April 1, 2006, for anyone who lives in the eastern or central part…

Press Releases

An Eclipse of the Sun for Europe, Africa, and Asia

March 20, 2006 Contact: Alan MacRobert, Senior Editor 855-638-5388 x151, [email protected]   Note to Editors/Producers: This release is accompanied by publication-quality graphics; see details below. On Wednesday, March 29, 2006, a total eclipse of the Sun will sweep across parts of West and North Africa, Turkey, and Central Asia. The…

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