What’s Up in Denver? March 10th through 16th, 2025

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Here’s a brief look at what’s going on in the Mile High City this week.

March 10: Look for the waxing gibbous Worm Moon near the Beehive Cluster (M44) high overhead in Cancer around 10:00 PM. March 11: The Search for Interstellar Objects of Technological Origin (Free, Virtual Lecture from Hamptons Observatory) – 5:00 PM (Registration Required).… Continue reading.

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.

AL/NASA 35 Years of Hubble March Challenge

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Last month, we discussed the Hubble’s Night Sky Observing Challenge and the February targets announced by the Astronomical League and NASA to celebrate 35 Years of the Hubble Space Telescope. These organizations have announced a new set of targets for the month of March.… 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.

What’s Up in Denver? March 3rd through 9th, 2025

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Here’s a brief look at what’s going on in the Mile High City this week.

March 3: NASA/AL Hubble Night Sky Challenge has released 4 targets for March. (more info) March 4:

Astrophotography Special Interest Group (ASIG) – General Meeting for DAS Members: 7:00 PM (more info).… 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.

What’s Up in Denver? February 24th through March 2nd, 2025

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Here’s a brief look at what’s going on in the Mile High City this week.

February 24: If you’re planning to to take part in the NASA/AL Hubble Night Sky Challenge, for either the February (Silver) or the entire year (Gold), this is the last week to complete your observations!… 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.

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