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.

What’s Up in Denver? February 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.

February 3: Look for the Winter Hexagon high in the southern skies throughout February. This asterism is formed by connecting six bright stars: Sirius in Canis Major (the brightest star in the sky), Rigel in Orion, Aldebaran in Taurus, Capella in Auriga, Pollux in Gemini, and Procyon in Canis Minor.… Continue reading.

What’s Up in Denver? January 27th through February 2nd, 2025

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

January 27:

 

If you’re planning to to take part in the NASA/AL Hubble Night Sky Challenge, for either the January (Silver) or the entire year (Gold), this is the last week to complete your observations.… Continue reading.

What’s Up in Denver? January 20th through 26th, 2025

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

January 20:

The moon reaches apogee (its farthest distance from earth) at 10:00 AM MST, when it’s 251,219 miles away. Look for Venus and Saturn to be less than 3° apart (about two fingers’ width)  in the constellation of Aquarius towards the southwest in the early evening sky.… Continue reading.

Skyward for November 2024

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David H. Levy

Palomar Mountain Observatory.

Last month I drove all the way from my Vail, Arizona home to Palomar Mountain Observatory. As most of this column’s readers know, I have visited this place many dozens of times from my first encounter in March of 1974, and regularly from the late summer of 1989 to the late spring of 1996.… Continue reading.

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