Author: Editor

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

March 2: 👀 Look for the waxing gibbous Worm Moon near Regulus, the bright heart of the lion in the constellation Leo in the eastern sky around 6:30 PM 🌔 The waxing gibbous Worm Moon reaches its Descending Node (this alignment where the Moon’s angular orbit crosses the ecliptic makes it possible for the Total Eclipse in the early morning hours of March 3rd): 10:36 PM March 3: 👀 Check out the Total Lunar Eclipse of the Full Worm Moon: Partial eclipse begins at 2:50 AM, totality begins at 4:04 AM, and the greatest eclipse occurs at 4:33 AM 🌕 Full Worm Moon: 4:37 AM: Qdoba offers free chips and queso every full moon of 2026 with the purchase of an entrée.… Continue reading.

Why would I want to write something insulting about Jupiter? After all, Jupiter is the first thing I looked at through a telescope. Only last month I wrote how, when I began searching for comets, I was looking for an activity that did not involve me dealing with other people.… Continue reading.

Members of the Denver Astronomical Society (DAS) were proud to participate in the 63rd annual Denver Metro Regional Science & Engineering Fair (DMRSEF) on February 20, 2026, held on the Auraria Campus in downtown Denver.

The Denver Metro Regional Science & Engineering Fair is one of Colorado’s largest and longest-running STEM competitions.… Continue reading.

The upcoming total eclipse of the full Worm Moon on March 3, 2026, 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.

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

February 23: 👀 Look for the waxing crescent Worm Moon near the Pleiades, the brilliant open star cluster also known as Messier 45 high in the southern sky in the constellation Taurus around 7:00 PM 🖥️ DAS E-Board Meeting: Virtual meeting via Zoom (check membership email and slack for details): 7:00 PM February 24: 🖥️ Space Telescope Science Institute (STScI): Discovering the Least-Massive Brown Dwarfs Known with the James Webb Space Telescope: Free virtual program on YouTube: 5:00 PM 🌓 First Quarter Worm Moon: 5:28 AM 🌓 The first quarter Worm Moon reaches perigee, its closest point to our planet in its orbit around us at 370,135km: 5:25 PM February 25: 🎤 60 Minutes in Space with Dr.… Continue reading.

2026 DAS Spring Banquet & Awards Ceremony

The Denver Astronomical Society wouldn’t be the strong, vibrant organization it is without its members. Some of you are on the front lines—hosting star parties, leading outreach events, or mentoring new observers. Others work quietly behind the scenes, keeping committees, programs, and operations running smoothly.… Continue reading.

My name is Maria, and I lead the Community Outreach Program for the Denver Astronomical Society. I am not an astronomer.

I’m 26 years old, and I work as a park planner. My only professional or educational experience in astronomy is from my high school physics class.… Continue reading.

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

February 16 (Presidents’ Day): Tonight is a great night to catch the Great Red Spot of Jupiter with a telescope high overhead in the constellation Gemini, as the giant, spiral storm makes its way across the face of the gas giant between approximately 7:00 and 11:00PM February 17: NASA Night Sky Network: A Storm of Stars: Knowing the Milky Way from Star Counts to Gravitational Waves with Shane Larson: Free Virtual Event via YouTube: 7:00 PM New Worm Moon: 5:01 AM Annular Solar Eclipse.… Continue reading.

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

February 9: DAS Annual Meeting: Artemis and Beyond! Human Missions to the Moons of the Solar System and DAS Election Results (Free public program): In-person at Secular Hub📍: 7:00 PM Third Quarter Snow Moon: 5:43 AM February 10: AAA Design, Construction and Scientific Promise of the Vera Rubin Observatory with Steve Ritz (UCSC) (Free virtual program): Online via Zoom (registration required): 5:00 PM The waning crescent Snow Moon reaches apogee, it’s farthest point from Earth in its orbit at 404,576km, at 11:00 AM February 11: Look for the waning crescent Snow Moon near Antares, the bright red supergiant star at the heart of the scorpion, in the constellation Scorpius in the southeastern sky between 4:00 AM and sunrise.… Continue reading.

A few minutes before midnight on 17 December 1965, I began a program of hunting for comets and exploding stars, or novae.  I recall writing at the time that when I began, the interest would primarily be in comets. It still is, even though I independently discovered Nova Cygni 1975 (V1500 Cygni), and a second nova Cygni  (V1668 Cygni) in 1978.… Continue reading.