What’s Up in Denver? April 14th through 20th, 2025

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

April 14: DAS General Membership Meeting – Dr. Winston Pendleton, retired educator, scientist, and researcher will speak to DAS members about Gaia- ESA’s Billion-Star Surveyor at Regis University’s Peter Claver Hall, Room 328.… Continue reading.

What’s Up in Denver? April 7th through 13th, 2025

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

April 7: Look for the Waxing Pink Moon within a couple degrees of Regulus in the constellation Leo high in the southern sky. Regulus (Alpha Leonis) is the brightest star in the constellation Leo and the 21st brightest star in the night sky.… Continue reading.

What’s Up in Denver? March 31st through April 6th, 2025

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

March 31: Look for the Spring Triangle asterism around midnight, which is now visible to the south as the constellations of Leo, Virgo, and Boötes and their brightest stars Regulus, Spica, and Arcturus begin to dominate the spring skies.… Continue reading.

What’s Up in Denver? March 24th through 30th, 2025

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

March 24: Mercury at inferior conjunction with the Sun at 1:00 PM. The innermost planet passes into the morning sky. DAS E-Board Meeting – 7:00 PM – 9:00PM (Zoom) If you’re planning to to take part in the NASA/AL Hubble Night Sky Challenge, for either the March (Silver) or the entire year (Gold), this is the last week to complete your observations!… Continue reading.

What’s Up in Denver? March 17th through 23rd, 2025

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

March 17: The Moon reaches apogee (252,123 miles / 405,754 km away – its farthest distance from Earth in its elliptical orbit): 10:00 AM. St. Patrick’s Day March 18:

Astronomical Observing 101 Class: 7:00 PM at Secular Hub Community Center (Registration Required).… Continue reading.

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.

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.

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.

What’s Up in Denver? February 17th through 23rd, 2025

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

February 17: Look for the waning gibbous Moon near Spica in Virgo low in the southeastern sky around midnight MST. February 18:

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

What’s Up in Denver? February 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.

February 10: Possible Northern Lights! NOAA is forecasting a chance of G1 class geomagnetic storms with a stream of solar wind expected to impact the Earth’s magnetic field.… Continue reading.
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