Backyard Stargazing – Spring 2020

Backyard Stargazing is a surprisingly simple and rewarding experience. In just one night you can learn to identify constellations and find objects like Globular Clusters, Nebulae, Supernova Remnants, Double Stars, and more!

New Feature – Billie’s Blog

Billie’s Blog is a new feature on DavidChandler.com bringing you quick bits of interesting information, explanations, Astronomy News, and general information for the amateur astronomer.

How to Use The Night Sky – Quick Guide

With The Night Sky™ planisphere you will be up and running and locating constellations within minutes. The most popular and lowest distortion star chart on the market.

Planisphere or App?

Now that smartphones and tablets have become ubiquitous many people ask us why we don’t publish a planisphere app instead of continuing to sell physical planispheres. The answer is that, in this case, there are several advantages to the physical format. more…

Why the Red Light?

Why do you need a red light to read your charts at night? It can take up to 45 minutes for the human eye to completely adapt to darkness as a protein called Rhodopsin builds up in the rod cells. Once your night vision is adapted you might be surprised …

Latitude Selector

You should choose a planisphere version based on the location from which you will be observing. Each latitude version of The Night Sky is optimized for the specific latitude zone to provide accurate horizons and minimum distortion.
Night Reader Pro In Use

Night Reader Pro Now Available

David Chandler Company is pleased to announce the availability of our new Night Reader Pro. When using a telescope, star chart, or atlas under a dark sky you need a portable light source.  When choosing a flashlight for astronomy it is important that you select a light designed to maintain your night vision.  (Click Here for more […]

Galaxy Cluster Abell 1689

Happy Birthday Hubble

In case you have been stranded on a remote island and have not heard, the Hubble Space Telescope (HST) is turning 25-years old today!  Although known popularly for the stunning images produced from the data it has gathered, the HST has contributed critical new data that has accelerated human understanding of our universe time and time […]