181–200 of 1,114 results
Moonrise on March 19, 2014

Press Releases

November 14th's Super-Close Full Moon

On Monday, the Moon will edge closer to Earth than it's been since 1948. Full Moon occurs less than 3 hours later.

Atik Infinity Camera

New Product Showcase

Atik Infinity for Video Observing

Capture smooth, high-resolution views of deep-sky targets: Atik Cameras enters the world of video observing with its Atik Infinity ($1,000).

SkySafari 5

New Product Showcase

Popular Planetarium App Update: SkySafari 5

One of the most popular planetarium apps for Apple devices gets a complete makeover.

Orion's Multi-Use Guide Scope

New Product Showcase

Orion's 60mm Multi-Use Guide Scope

Make autoguiding deep-sky astrophotos easy: Orion Telescopes & Binoculars introduces the 60mm Multi-Use Guide Scope with Helical Focuser ($219.99).

Orion's StarSeeker

New Product Showcase

Orion's StarSeeker IV Telescope

Orion Telescopes & Binoculars introduces the StarSeeker IV 150mm GoTo Mak-Cass Telescope ($999.99).

Universe2go

New Product Showcase

Universe2go's Personal Planetarium

Universe2go unveils its personal planetarium device ($99), an innovative viewer that with your smartphone to project planetarium lines, star names, and more over your real view of the sky.

iOptron's PoleMaster

New Product Showcase

iOptron's PoleMaster Finder Scope

iOptron's PoleMasteriOptron announces the PoleMaster ($299), an electronic polar finder scope that helps you quickly and easily achieve near-perfect polar alignment.

The cover of the November 2016 Sky & Telescope: the 75th anniversary issue.

Press Releases

75 Years of Sky & Telescope: A lifetime of astronomy coverage

Sky & Telescope magazine's 75 years of astronomy coverage.

Building a Roll-Off Roof or Dome Observatory by John Stephen Hicks

New Product Showcase

Building a Roll-Off Roof or Dome Observatory

In this second edition, Hicks discusses each aspect of building and designing a backyard observatory to help you decide which type suits your needs best.

autumnal equinox 2014

Celestial News & Events

We Crossed the Equinox September 22nd

The fall equinox (spring equinox for the Southern Hemisphere) comes on September 22, 2016, at 4:02 p.m. Eastern Daylight Time (20:02 UT).

ZW Optical's ASI 224MC-Cool camera

New Product Showcase

ZW Optical's New ASI 224MC-Cool Camera

ZW Optical introduces a new series of low-noise cooled cameras. The ASI 224MC-Cool camera ($649) features the highly sensitive IMX224 color CMOS detector.

NGC 5972 and the ghost of quasars past

Science-based Q&A

The Kavli Foundation Q&A: How Do Galaxies Die?

All galaxies are fated to "die" and stop making stars. The reason may lie with the supermassive black hole lurking in their cores.

Stellarvue Optimus Series Eyepieces

New Product Showcase

Stellarvue Optimus Series Eyepieces

Stellarvue introduces a line of ultra-wide-field eyepieces (starting at $419) that feature an immersive apparent field of view and plenty of eye relief.

Denkmeier's Lederman-Optical-Array (L-O-A) Eyepieces

New Product Showcase

Denkmeier's Lederman-Optical-Array Eyepieces

Denkmeier unveils its unique eyepiece set, the Lederman-Optical-Array 21-mm eyepiece ($599 per pair). The L-O-A is a patent-pending design that simulates a 3D view in telescopes equipped with binoviewers.

Ritchey-Chretien astropgraph by Third Planet Optics

New Product Showcase

Ritchey-Chrétien Astropgraphs from Third Planet Optics

Industry newcomer Third Planet Optics rolls out a series of Ritchey-Chrétien astrographs for the budget-minded astrophotographer.

Gravitational Waves Detected

Astronomy Questions & Answers

The Kavli Foundation Q&A: How are gravitational waves detected?

Courtesy of The Kavli Foundation, read the conversation between two 2016 Kavli Prize laureates as they discuss the struggle to detect gravitational waves and how their discovery is changing our understanding of the universe.

New Product Showcase

Quad Telecompressor Corrector from Astro-Physics

Capture wide swaths of sky with Astro-Physics' new Quad Telecompressor Corrector ($1,520) for its 130 StarFire GTX and EDFGT telescopes.

Path of 2017 total solar eclipse

Press Releases

Countdown Begins for 2017's Coast-to-Coast Solar Eclipse

It's still a full year away, but huge throngs will be watching coast-to-coast when the Moon's shadow slides across the U.S.

Press Releases

Two Pairs of Planets Perform in the August Twilight

After sunset, Mars and Saturn join the star Antares in the southwest — while Venus and Jupiter create a dramatically "double star" low in the west.

Radiant of Perseid meteor shower

Press Releases

August's Perseids: More Meteors This Year?

Sky & Telescope magazine predicts that this year's Perseid meteor shower will peak on the night of August 11–12 and, despite some moonlight, might be much better than usual.

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