Get Ready to See the Zodiacal Light

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What is Zodiacal Light?

Zodiacal light is a faint, glowing band of light that stretches across the night sky. It looks like a soft triangle of light, and it appears along the path the Sun travels through the sky, known as the ecliptic.… Continue reading.

Counting Frogs and Looking at Stars in Douglas County

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Acoustic Monitoring Scientists have developed clever ways to study wildlife without disturbing them. One such method is called acoustic monitoring, which is used to estimate the population of amphibians, like frogs, in the wild. Instead of capturing or counting them one by one, researchers perform manual calling surveys (MCS).… Continue reading.

What You Need to Know About the 2025 Total Lunar Eclipse in Denver

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The upcoming total eclipse of the full Worm Moon on March 13–14, 2025, presents a remarkable opportunity for Denver skywatchers to observe this celestial event. Here’s a comprehensive guide covering the timing, phases, scientific background, and observing tips.

What Causes Lunar Eclipses and What’s a Blood Moon?… Continue reading.

New Member Orientation

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Welcome to the Denver Astronomical Society!

The Denver Astronomical Society (DAS) is growing fast! With over 1,100 members and counting, we welcome new astronomy lovers all the time. To help new members get started, we hold New Member Orientations about every four months at the historic Chamberlin Observatory.… Continue reading.

Astrocon 2025!!!

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This year, we’ll be under the stars for the Astronomical League conference! June 25-June 28, 2025, Ruby’s Inn, Bryce Canyon City, Utah 26 South Main Street www.rubysinn.com Sponsored by the MARS Region of the Astronomical League Check out the ASTROCON 2025 Brochure! … Continue reading.

Who was Charles Messier and How to Take Part in his Marathon

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Who was Charles Messier?

Charles Messier was a French astronomer who lived from 1730 to 1817. He was most active in the late 1700s and was known for his passion for hunting comets. During his time, comets were exciting discoveries, and Messier wanted to find as many as possible.… Continue reading.

DAS announces Astronomical Observing 101 Program

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Discover the Night Sky with the Denver Astronomical Society!

The Denver Astronomical Society (DAS) is excited to announce its Astronomical Observing 101 program for members! This seven-night series is perfect for anyone who wants to learn how to explore the night sky, whether with just their eyes, binoculars, or a telescope.… Continue reading.

April 8 Eclipse FAQ

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Here are the current sky conditions and predictions for Chamberlin Observatory from our friends at ClearDarkSky.com. Click the image for a better view and more details.

Q: Where is the watch party?A: Observatory Park (https://maps.app.goo.gl/HPCDvyWr5AxnyM5n8)

Q: When do you open?A: This is an outdoor event.… Continue reading.