261–280 of 521 results
Magical skies

Resources and Education

Free Let's Go Stargazing Guide

Download our free guide to the heavens and learn how to observe all the wonders overhead.

New nova in Sagittarius

Resources and Education

Nova in Sagittarius: Nova Sagittarii 2012 No. 4

A nova visible in good binoculars was spotted July 7, 2012, by observers in Japan.

Resources and Education

Possible Occultation by Pluto Tonight (June 13-14)

Both Pluto and the star are 14th magnitude, but observers with big telescopes and sufficient video capability should try to record this important event.

Lunar globes compared

S&T's Astronomy Products

Sky & Telescope's New Moon Globe

The year-long effort was time consuming and tedious, but S&T's staff is proud to unveil the first wholly new globe of the lunar surface in more than four decades.

Comet Ikeya-Murakami

Resources and Education

New Binocular Comet in the Morning Sky

On November 3, 2010, two amateurs in Japan discovered an 8th-magnitude comet visually. It's visible in binoculars.

Resources and Education

Asteroid To Hide Naked-Eye Star

For anyone in a 25-mile-wide path right across Los Angeles, a bright star in Ophiuchus will wink off for several seconds in the predawn hours of April 6, 2010.

Resources and Education

New Comet Machholz

California's comet-hunting veteran Don Machholz bagged his 11th discovery on March 23 and 26, 2010. It's a faint diffuse comet, low in the morning sky.

Resources and Education

Nova in Eridanus

Japanese amateur Koichi Itagaki, of recent comet fame, has just discovered a nova near Rigel on November 25, 2009.

Two kinds of vision receptors line the retina

Resources and Education

Improve Your Night Vision: Spectacles for Spectacular Skies

Have you ever felt that you ought to be able to see more in the night sky using just your unaided eyes? You may need nothing more than a new pair of eyeglasses.

Resources and Education

New Circumpolar Comet Yi-SWAN

On March 26, 2009, Korean amateur Dae-am Yi caught the small, greenish glow of a new comet with his Canon camera.

Resources and Education

Asteroid to Occult Star on Morning of Friday, Jan. 9

On the morning of Friday, Jan. 9, from 10:55 to 11:06 UT, asteroid 1963 Bezovec occults the 8.3-magnitude star HIP 64220 in a narrow path from Baja California through Texas to New England and Nova Scotia.

Resources and Education

Rare Eclipse of EE Cephei Is Set to Begin

During January 2009 a faint star in Cepheus will fade, as it does every five or six years, when "something" goes in front of it.

Orion

Stargazing Basics

The 50 Best Sights in Astronomy

S&T contributing editor Fred Schaaf takes a new approach to an old subjecty by describing the 50 best astronomical sights of any kind, from naked-eye spectacles to objects that can only be seen through telescopes at high magnification.

Resources and Education

Rock from Space to Burn Up over Africa

Late Monday night, October 6-7, 2008, a tiny asteroid will enter Earth's atmosphere over Sudan, creating a spectacular explosion in the night sky.

Resources and Education

Possible Fireball Outburst Sept 9-10

An unexpected meteor burst was detected on the night of September 8-9. Bill Cooke of the Marshall Space Flight Center is urging meteor watchers to see if the activity continues on the night of September 9-10.

Galileo

Stargazing Basics

Stargazing with Early Astronomer Galileo Galilei

When Galileo Galilei first turned a telescope to the heavens four centuries ago, he discovered amazing things — and you can follow in his footsteps.

Piggyback photography

Observar el Cielo

Fotografía del Cielo Profundo — Hágalo Fácil

Como sacar fotos increíbles de constelaciones, nebulosas, grupos de estrellas, y nuestra galaxia.

Observar el Cielo

Los Binoculares: A medio camino de un Telescopio

Todo lo que necesita para disfrutar de las maravillas del cielo nocturno es un par de binoculares.

Observar el Cielo

Usando un Mapa Estelar a Simple Vista

Pasar una o dos horas aprendiendo a leer un mapa estelar le abrirá el Cosmos para una vida de exploración.

Observar el Cielo

Como Empezar en Astronomía

La Astronomía no merece su reputación como un pasatiempo difícil y caro. Sólo necesita empezar con los consejos correctos.