The Equinox Archive

Vixen's 2.1x42 Super Wide and Kasai Trading Wide-Field 2.3x40 Binoculars

A detailed look at these unusual binoculars for wide-field viewing of the night sky.

1 June 2018

Upgrading the Focuser of a Schmidt-Cassegrain Telescope

Insight into choosing the right microfocuser or external focuser for your SCT, whether you're a visual observer or imager.

13 April 2018

Q&A

A Profile of Astrophotographer Kerry-Ann Lecky Hepburn

The professional meteorologist, pilot, and astrophotgrapher explains her approach to imaging the night sky.

13 April 2018

March 2018

The New ZWO Buyer's Guide - Fully Updated for 2018

Our popular buyer's guide to ZWO cameras now includes recommendations for the newest astronomy cameras.

23 February 2018

Product Review - Baader's New 17.5mm Morpheus Eyepiece

Bill Paolini reviews the 17.5mm Morpheus eyepiece for mono-viewing and binoviewing.

26 February 2018

Report

$The Allure of the Small Refractor$

The Allure of the Small Refractor

Thoughts on why a small refractor is the best telescope.

8 March 2018

Sky Tour - Three Gems in Gemini

A Brief tour of the legendary celestial twins

8 March 2018

Tracking a Cherry Red Tesla Across the Sky

A Remote Telescope Captures a Remarkable Sight.

8 March 2018

January 2018

Product Review - Baader Hyperion Mark IV Zoom Eyepieces

Bill Paolini reviews the recently released Baader Hyperion Mark IV Zoom Eyepieces for monoviewing and binoviewing.

Q&A

An Introspective Q&A with Robert Reeves

Looking Back on a Lifetime of Lunar Exploring

Sky Tour - The Attendants of Mirfak

A look at a beautiful association of blue-white stars in the heart of the constellation Perseus.

Report

Observer's Notebook - Orion Nebula Through the Trees

The Orion Nebula Through the Trees.

Astronomy Video - "Sky Gazers" by Babak Tafreshi

The well-known TWAN astrophotographer presents an inspiring tribute to sky gazers around the world.

December 2017

A Profile of Trevor Jones of AstroBackYard.com

The publisher of the popular astrophotography website offers advice on the challenging and rewarding art of astrophotography.

How to Choose a Baader Diagonal

Baader makes excellent diagonals. We help you choose the right one for your telescope and observing interests

The Agena Holiday Gift Guide

We've gone through our extensive inventory of products to hand pick the best gifts for the stargazers in your life.

9 December 2017

A Tour of Triangulum

A tour of the stars and DSOs in this tiny autumn constellation.

Retrospective of the 2017 Texas Star Party

Each spring, stargazers from all over the world converge under the clear and dark skies of the plains of West Texas.

October 2017

A Q&A with Al Nagler - Looking Back (and Ahead) with Tele Vue's Co-Founder

A Q&A with Al Nagler Looking Back (and Ahead) with Tele Vue's Co-Founder The legendary co-founder of Tele Vue Optics shares his favorite celestial sights, most memorable stargazing nights, and his insights on the future of visual astronomy.

Understanding Filters for Astrophotography

The ins and outs of choosing color, broadband, and spectral line filters for imaging with color and monochrome astronomy cameras.

Sky Tour - NGC 147 And NGC 185

They're a little tricky to see, but these two dwarf elliptical galaxies in Cassiopeia are gravitationally bound to the Great Andromeda Galaxy.

Winter Star Party 2017 - A Time-Lapse Video

A video recollection of one of the world’s finest star parties.

The Science of Stargazing

A beginner's guide to understanding how astronomers describe the brightness of stars and planets.

September 2017

Light-Pollution Filters for Visual Astronomy

In our latest guide, we explain the facts and fallacies about light pollution filters and show you how to choose the right filter for your interests, telescope, and sky.

An Observer’s Guide to Uranus and Neptune

Uranus and Neptune are worthy of inspection near opposition for their colors, their history, and their moons.

Report

Field Notes from a First-Time Eclipse Watcher

After a decades-long wait, an amateur astronomer finally sees a total solar eclipse.

August 2017 Eclipse - Memorable Videos

A recollection of the 2017 solar eclipse through stunning 4K video.

Book Review - The Sun Kings by Stuart Clark

How an extraordinary 1859 solar storm changed the way we see the cosmos.

July 2017

Choosing Scopes & Cameras for Autoguiding

Understanding the options and considerations for choosing guide scopes and cameras for astrophotography.

An Observer’s Guide to the Planet Saturn

How to get the best telescopic views of this beautiful ringed planetary system.

July Sky Tour - The Sights of Taurus Poniatowski

A small asterism in Ophiuchus points the way to some remarkable sights for a small telescope.

Astrophoto of the Month - Rho Ophiuchi by Terry H.

A wide-field view of the sky’s most colorful collection of reflection nebulae.

Book Review - Interstellarum Deep Sky Atlas

A unique and practical single-volume star atlas makes it easy to plan deep-sky observing sessions.

June 2017

Sun, Moon, Earth - A Profile of Solar Eclipse Watcher Tyler Nordgren

He's an artist, a professor, and he taught Carl Sagan's son astronomy! Dr. Tyler Nordgren talks about the history and science of eclipses and offers a few tips for the August 2017 solar eclipse.

Tool

AstronomyConnect's New Solar Filter Selector Table

Our solar-filter finder table helps you select the right white light solar filter to fit your telescope.

Tool

The Solar Eclipse Observer's Checklist

A checklist to help you know what to plan for and what to pack for the August 2017 total solar eclipse.

Astronomy Video - Totality in Varanasi

Astronomer Brian Cox shares his experience of the total solar eclipse of July 22, 2009 in Varanasi, India.

Book Excerpt: How to See the 2017 Total Solar Eclipse

Read a free excerpt of Agena's first e-book, a guide that helps you see and enjoy the 2017 total solar eclipse.

May 2017

Jupiter: An Observer's Guide - How to See the 'King of Planets'

Jupiter and its four largest moons offer something fascinating to see almost every clear night. Discover how to get the best views of this colorful gas giant planet.

12 May 2017

Choosing Eyepieces for Binoviewers

Confused about selecting the best eyepieces for your binoviewers? Our new guide makes it easy.

20 Apr 2017

May Sky Tour: Under the Dipper's Handle

A short telescopic tour of some of the finest deep-sky sights overhead this time of year.

10 May 2017

Astronomy Video: Infinity2 by Uncage the Soul

A real-time video of a star party under a dark night sky. Almost as good as being there!

10 May 2017