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Author: Glenn Chaple

Glenn Chaple has been an avid amateur astronomer since the summer of 1963 when a high school friend showed him Saturn and the double star Mizar with a small reflecting telescope. The interest led him 6 years later to a bachelor’s degree in astronomy from the University of Massachusetts in Amherst. A 3-year stint at the Alice G. Wallace Planetarium in Fitchburg, Massachusetts, was followed by more than 30 years as a secondary school science teacher.   Chaple has spent many thousands of hours exploring the night sky with a variety of telescopes. For many years, his standby was a 3-inch reflecting telescope with which he saw all of the Messier objects, more than 100 asteroids, and 1,500 double and multiple stars. His fascination with double stars led to his first astronomical writings, penning a column on double stars for Deep Sky magazine, edited by none other than current Astronomy Editor David J. Eicher. In addition to Deep Sky, Glenn also wrote the “What’s Up” column for the children’s astronomy magazine Odyssey, and has written the “Observing Basics” column for Astronomy since 2002. He is co-author with Terence Dickinson and Victor Costanzo of the Edmund Scientific Mag 6 Atlas and author of the book Exploring With a Telescope. In 1980, Chaple joined the American Association of Variable Star Observers. Since then, he has made over 75,000 variable star estimates. Although he pursues variable stars with anything from the unaided eye to binoculars to a small rich-field telescope, his primary variable star tool is a vintage 13-inch Dobsonian-mounted reflector. Besides astronomy, Glenn enjoys distance running (“My marathon days are long over — it’s 5K road races now!”), playing baseball in an over-40 fast-pitch league, and fishing. He lives in north central Massachusetts with his wife, Regina, and is the proud parent of two grown sons and “grampy” to two future astronomers, Katie and Sam. He is a lifelong Red Sox fan.  
This map shows the night sky at different times in December, January, and February. Credit: Astronomy: Roen Kelly
Observing, Observing Basics

Learn the constellations

Deep-Sky Objects, Observing Basics

Observing Basics: Glenn Chaple bids a final farewell

Observing Basics, Stars

Observing Basics: How to observe variable stars

Stars

Time-tested double stars

Galaxies, Observing

Join the club

Astronomy for beginners, Observing Basics, The Sun

Safely observe the Sun

Observing, The Moon

Appreciating the Moon

Astrophotography, The Moon

Snapping your own lunar pics

Observing, Telescopes and Equipment

Your perfect first (and last) telescope

Astronomy for beginners, Observing Basics

Binocular basics

Astronomy for beginners, Observing

The beginner’s guide to buying a used telescope

Astronomy for beginners, Human Spaceflight

Farewell tour

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