Not every astronomer is drawn primarily to beautiful views or finished images. For some, the real excitement lies in what can be measured, compared, tracked, and learned from the night sky over time.
The Scientific Special Interest Group (SSIG) was created to give that curiosity a home.… Continue reading.
Here’s a brief look at what’s going on in the Mile High City this week.
April 20: 🪐 Check out Mercury, Mars and Saturn within 1.7° of each other, low in the western sky in the constellation just before sunrise. April 21: 👀 Look for the waxing crescent Pink Moon near M35, the open star cluster in Gemini also known as the Shoe Buckle Cluster high in the western sky around 9:00 PM.… Continue reading.
Here’s a brief look at what’s going on in the Mile High City this week.
April 13 (International Dark Sky Week continues through April 19!): DAS General Meeting: A Supernova With Broken Symmetry: Evidence from Polarized Light with Chris Pickens: Free.… Continue reading.
Here’s a brief look at what’s going on in the Mile High City this week.
April 6 (Easter Monday): Look for the waning gibbous Pink Moon next to Antares, the red heart of the scorpion in the constellation Scorpious low in the southeastern sky around 1:30AM April 7: The waning gibbous Pink Moon reaches apogee, its farthest distance from Earth at 404,970km: 2:00 AM April 8: Colorado Springs Star Party: Free in-person event at Pikes Peak State College Rampart (North) Campus: 8:00 PM April 9: NASA’s Lucy Mission: Updates and Mainbelt Encounters with Dr.… Continue reading.
Here’s a brief look at what’s going on in the Mile High City this week.
March 30: The waxing gibbous Pink Moon reaches Descending Node, when it moves from north of the ecliptic to south of it, crossing the plane of Earth’s orbit around the Sun: 4:34 AM March 31: Check out the transit of Io’s shadow across the face of Jupiter, looking at Jupiter right as the sun is setting, Io is just finishing it’s transit in front of the gas giant high overhead in the constellation Gemini, but it shadow will remain on its face from sunset until about 9:00 PM April 1 (April Fool’s Day): NASA Artemis II scheduled rocket launch to send humans around the Moon from Kennedy Space Center in Florida: Free livestream via YouTube: 4:24 PM DAS Astrophotography Special Interest Group (ASIG) – General & Beginner Meeting: Monthly online member-only meeting via Zoom (check Slack or membership email for details: 7:00 PM Full Pink Moon: 8:11 PM – Qudba offers free chips and queso whenever there is a full moon in 2026.… Continue reading.
Written by DAS Member, Volunteer, and Former President, Dena McClung
Many of you longer-term members know I have served in a variety of roles with the DAS, and some of you newer members know me because I’ve answered questions that you sent to us via email.… Continue reading.
Here’s a brief look at what’s going on in the Mile High City this week.
March 23: Look for the waxing crescent Pink Moon above to the Pleiades and Aldebaran: see the bright open cluster (M45) along with red eye of the bull alpha star and the ice giant Uranus in the constellation Taurus in the west around 10:00 PM.… Continue reading.
Every March, people around the world celebrate Women’s History Month, a time to recognize the achievements of women in science, education, government, and many other fields. Astronomy is no exception. For centuries, women have helped us understand the universe—studying the stars, measuring galaxies, and even calculating the paths that allow spacecraft to travel beyond Earth.… Continue reading.
Here’s a brief look at what’s going on in the Mile High City this week.
March 16: The Moon reaches perihelion: The moon’s closest point to the Sun in its orbit around earth at a distance of 0.9810 AU:. 2:07 AM March 17 (St Patrick’s Day): Look for a tiny sliver of a waning crescent Snow Moon next to Mercury to the east in the morning sky in the constellation Aquarius just before sunrise: 6:40 AM March 18: Boulder OSMP Dark Skies & Deep Space: Spring Prelude, Venus & The Crescent Moon: Free in-person stargazing at Beech Shelter (registration required): 7:00 PM SCStI The Solar System Cookbook: What Is Webb Revealing about How Solar Systems Like Ours Come To Be?:… Continue reading.
On the evening of March 7, 2026, members of the Denver Astronomical Society gathered at the beautiful Deer Creek Stables at Denver Botanic Gardens Chatfield Farms in Littleton for the annual DAS Spring Banquet. The event brought together members, volunteers, and leaders to celebrate another year of accomplishments and recognize the people who make the organization thrive.… Continue reading.