Astronomy

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.

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.

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

February 2: Catch the waning gibbous Snow Moon near Regulus and the Sickle Asterism: look for the moon to add to the already bright alpha star In the constellation Leo at the tip of the backward question mark that is known as the Sickle asterism in the eastern skies around 8:00 PM.… Continue reading.

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

January 26: DAS E-Board Meeting: Members’ only virtual event (Check Slack and membership email for details): 7:00 PM January 27: Catch the Moon next to the Pleiades, a bright, easily visible open star cluster in the constellation Taurus, also known as Messier 45, or the Seven Sisters.… Continue reading.

If you’re looking for a truly unique astronomy experience, Green Bank Star Quest XXI deserves a spot on your observing calendar. Held July 15–18, 2026, this four-day event is the largest star party in the nation that combines both optical and radio astronomy, bringing amateur astronomers together at one of the most iconic astronomy sites in the world.… Continue reading.

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

January 19 (Martin Luther King Jr. Day): Celebrating the legacy of the Reverend Dr. Martin Luther King, Jr.  January 20: Catch Jupiter within half a degree of Wasat: Delta Geminorum, the third-brightes star in the constellation Gemini, is a bright triple star system whose name means “middle” in Arabic, reflecting its position in the middle of the body of the eastern twin, Pollux: Find it and the gas giant in the eastern sky just after sunset.… Continue reading.

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

January 12: DAS General Meeting: Nominations of Officers (Free in-person meeting): 📍Secular Hub: 7:00 PM January 13: The waning crescent Wolf Moon reaches apogee, its farthest from Earth at 405,438km: 2:00 PM January 14: Catch the waning crescent Wolf Moon near Antares, the bright red alpha star in the constellation Scorpius low in the eastern sky around 5:30 AM January 15: Standley Lake Stargazing (Free virtual program): Online via Zoom: 6:00PM January 16 (Dark Sky Weekend): Check out the Great Red Spot of Jupiter, with the king of our solar system having reached opposition this past week, it is extremely bright and large in the night sky.… Continue reading.

A New Chapter for an Ancient Landscape

Chimney Rock National Monument is best known for its dramatic twin stone spires and its deep cultural significance to the Ancestral Puebloan people. The site was designated a National Monument in 2012 by President Barack Obama, ensuring long-term protection of both its archaeological treasures and its natural environment.… Continue reading.

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

January 5: Look for the shadow transit of Io across Jupiter’s face followed closely by the moon itself. With Jupiter close to its opposition on January 10th, Jupiter’s moons and their shadows cross the planet very close together.… Continue reading.