41–60 of 189 results

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Thousand Year Canon of Eclipses: 1501 to 2500

Thousand Year Canon of Solar Eclipses: 1501 to 2500 is a comprehensive catalog of essential characteristics of each of the 2,389 solar eclipses occurring throughout this 10-century period, and Thousand Year Canon of Lunar Eclipses: 1501 to 2500 documents 2,424 lunar eclipses in the same time frame.

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Baader f/2 Highspeed Filter Series

Baader Planetarium unveils its newest series of narrowband imaging filters specifically designed for fast astrographs.

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Universal Smartphone Eyepiece Adapter

iOptron's Universal Smartphone Eyepiece Adapter ($58) allows users to take snapshots of the Moon, planets, the Sun (with proper filtering), and even some of the brightest deep-sky objects.

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NGC-MAX Positioning Kit

Now you can have all the Messier, NGC, and IC catalog objects available at the push of a button for your dual-mounted telescopes - Jim's Mobile Incorporated now offers encoders and hardware to mate its popular NGC-MAX positioning computer to the Explore Scientific Twilight II alt-az telescope mount (a complete kit with NGC-MAX computer sells for $729).

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Astrophotography Book by Thierry Legault

Author and world-renowned astrophotographer Thierry Legault teaches you the art and techniques of astro-imaging in his book Astrophotography ($39.95, or $31.95 in eBook format).

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Spectra-L200 Slit Spectrograph

JTW Astronomy announces the Spectra-L200 ($1,830), a slit spectrograph for amateur telescopes. Explore stars, nebulae, and distant quasars from your backyard.

Celestial News & Events

Watch Asteroid Juno Occult a Star

Watch an asteroid approach a star and block its light, all in a fraction of a second.

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First Contact Polymer Solutions Optics Cleaner

Photonic Cleaning Technologies introduces First Contact Polymer Solutions ($110), which cleans your optical surfaces without leaving residue.

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Atik One 6.0 CCD Camera

Atik Cameras unveils the Atik One 6.0 CCD camera ($3,295).

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Astrophotographer's Guide to the Deep Sky

Looking for something to shoot tonight? Astrophotography expert Jerry Lodriguss's new e-book, Astrophotographer's Guide to the Deep Sky, can help you choose your celestial targets wisely.

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TheSky App

Software Bisque Inc. 862 Brickyard Circle, Golden, CO 80403-8058 303-278-4478; www.bisque.com Software Bisque announces its long-anticipated expansion into the app market with the release of TheSky Mobile ($14.99) for the iPhone and TheSky HD for the iPad ($29.99). Both include an extensive feature set tailored to the intermediate and advanced…

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HR Coma Corrector

Explore Scientific 621 Madison Street, Springdale, AR 72762 866-252-3811; www.explorescientific.com Explore Scientific unveils its new HR Coma Corrector ($299.99) for visual and photographic use. This 2-inch unit inserts into your Newtonian telescope’s focuser in front of the eyepiece or camera, correcting distorted stars near the edge of the field due…

Perseid meteor

Astrophotography: Tips & Techniques

How to Photograph a Meteor Shower

When a meteor shower is coming up, have you thought of trying your hand at meteor photography? Here are some techniques to help you on your way.

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Takahashi Epsilon 130D Astrograph

Takahashi America 1925A Richmond Avenue Houston, TX  77098 713-529-3551 Takahashi has updated and reintroduced its smallest Epsilon series telescope, the ε-130D Hyperbolic Astrograph ($2,995). This 5-inch f/3.3 optical system features a hyperbolic primary mirror mated with a digital corrector to record pinpoint stars across a large 44-mm image circle. With…

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Cosmos Telescopes

Celestron 2835 Columbia St., Torrance, CA 90503 310-328-956 ; www.celestron.com Celestron introduced its new COSMOS Series of binoculars, microscopes, and telescopes at the 2014 Consumer Electronics Show in Las Vegas. Of particular note is the COSMOS 90GT WiFi Telescope ($399.95, pictured at left), a Go To refractor completely controlled using…

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Optics Care

Learn how to clean and care for your telescopes and binoculars.

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JMI's MOTOFOCUS for William Optics scopes.

People, Places, and Events

Arizona Astronomy & Science Expo

New gear, hands-on demos, and renowned speakers awaited visitors to last weekend's astronomy expo in Tucson, Arizona.

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Astro Facts

250 interesting things we know about the universe today