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Summer Astronomy – Observing List

The summer observing season is upon us which means summer vacations, camping, and otherwise just spending more time outdoors which leads to noticing the night sky above us. Many beginning astronomers may be wondering, “What interesting things can I see with simple equipment?”
Large Plastic The Night Sky Planisphere

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.
Large Plastic The Night Sky Planisphere

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…
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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 …
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Wholesalers and Distributors

David Chandler Company, Inc. provides products to a wide variety of retail and non-profit partners. Read More for information about carrying our great products. more…
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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.