At a recent Denver Astronomical Society (DAS) Astronomical Observing 101 class, some students were surprised when the instructor, former DAS Vice President, Dr. Mehmet Unsoy, told them that the Big Dipper is not actually a constellation. Instead, it’s something called an asterism in the larger constellation Ursa Minor!… Continue reading.
The Andromeda Galaxy, the closest large galaxy to our own Milky Way, has been visible to the naked eye for as long as humans have gazed at the stars. The first recorded observation dates back to 964 CE when the Persian astronomer Al-Sufi described it as a “little cloud.”… Continue reading.
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.
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.
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.
This is the third installment of a three-part series exploring the wonders of Denver’s night skies. Be sure to check out the other articles in the series: What to Explore in the 2025 Denver Night Skies and When to Explore in the 2025 Denver Night Skies.… Continue reading.
In our previous article, we spoke in depth about the variety of celestial objects that you can observe in the 2025 Denver night skies. If you’re planning to stargaze in Denver, knowing when to look up is just as important as knowing what to look for.… Continue reading.
As one of the largest astronomy clubs in the country, the Denver Astronomical Society continues to grow and inspire amateur astronomers of all experience levels. Whether you’re new to stargazing or a seasoned observer, you might be starting to plan what celestial wonders to explore this year or looking for ways to reignite your passion for the night sky.… Continue reading.