2421–2440 of 3,285 results
Building a Roll-Off Roof or Dome Observatory by John Stephen Hicks

Equipment: Guides & Recommendations

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

Observing

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

Equipment: Guides & Recommendations

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

Resources and Education

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

Equipment: Guides & Recommendations

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.

Sky & Telescope Magazine

Inside the November 2016 Issue

Sky & Telescope celebrates 75 years with a special anniversary issue! Find out how it all began and catch the highlights of astronomy over the decades.

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

Equipment: Guides & Recommendations

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

Equipment: Guides & Recommendations

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.

Equipment: Guides & Recommendations

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.

Mars-Saturn-Antares in August

Celestial News & Events

Tour August's Sky: Planets Aplenty

Download or play Sky & Telescope's astronomy podcast, and you'll get a guided tour of the night sky. In early evening look for Mars and Saturn embedded in Scorpius toward south, and key an eye out for Perseid meteors.

Celestron at NEAF 2016

Astronomy Videos

NEAF 2016 Astronomy Equipment Videos

Former S&T editor Dennis di Cicco interviews several vendors about their newest products - watch and find out full details on new lines of astronomy equipment.

Equipment: Guides & Recommendations

Celestron at NEAF 2016

Dennis di Cicco talks with several members of the Celestron staff who demonstrate the latest version of the Evolution series of Schmidt-Cassegrain telescopes

Equipment: Guides & Recommendations

iOptron at NEAF 2016

iOptron’s Roger Rivers tells Dennis di Cicco about the advanced features offered on the company’s extensive line of altazimuth and equatorial telescope mounts.

Meade

Equipment: Guides & Recommendations

Meade at NEAF 2016

MeadeMeade’s Scott Byrum and Dennis di Cicco take a look at the company’s line of LX600 telescopes with Starlock technology

Equipment: Guides & Recommendations

Astro-Physics at NEAF 2016

Roland Christen gives Dennis di Cicco an overview of Astro-Physics’s brand new 17-inch astrograph, the largest telescope offered by the renowned manufacturer of refractors, astrographs, and German equatorial mounts.

Equipment: Guides & Recommendations

Stellarvue at NEAF 2016

Stellarvue’s Vic Maris shows Dennis di Cicco many of the user-requested features that the company is incorporating in its latest line of refractors and astrographs.

Equipment: Guides & Recommendations

Finger Lakes Instrumentation at NEAF 2016

Dennis di Cicco and Finger Lakes Instrumentation’s Gregory Terrance take a look at the latest features of the company’s venerable MicroLine and ProLine CCD cameras and accessories

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