What’s Up in Denver? December 8th through 14th, 2025

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

December 8: Astronomy on Tap – Boulder with Dr. Mathias Nordvig, Dr. Lauren Blum, and Tiffiny Costello (Free in-person program):📍Rayback Collective: 6:00 PM SCFD Denver Museum of Nature and Science Free Day (Free in-person program):📍DMNS: 9:00 AM Look for the waning gibbous Cold Moon near the Beehive Cluster (the open star cluster, M44) in the constellation Cancer high in the southern sky: 4:00 AM December 9: Amateur Astronomers Association – Mars: where is the air?… Continue reading.

AL/NASA 35 Years of Hubble December Challenge

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Last month, we discussed the Hubble’s Night Sky Observing Challenge and the November targets announced by the Astronomical League and NASA to celebrate 35 Years of the Hubble Space Telescope. These organizations have announced a new set of targets for the month of December.… Continue reading.

What’s Up in Denver? December 1st through 7th, 2025

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

December 1: Catch Mercury rising before the Sun in the constellation Libra in the eastern sky around 6:00 AM  December 2: December is a great time to catch three Open Clusters: M36, M37, and M38 in the constellation Auriga.… Continue reading.

What’s Up in Denver? November 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.

November 24: DAS E-Board Meeting: Virtual over Zoom (Check membership email and Slack for details): 7:00 PM  November 25: As winter draws closer, look for the enormous Winter Hexagon asterism rising earlier and earlier in the southeast: This asterism connects Sirius, Procyon, Pollux, Capella, Aldebaran, and Rigel and covers a vast portion of the winter night sky.… Continue reading.

What’s Up in Denver? November 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.

November 17: Check out the waning crescent Beaver Moon next to Spica low in early morning eastern sky in the constellation Virgo.  November 18: Amateur Astronomers Association: The Cosmic Romance Behind the Formation of Pluto and its Moon Charon with Dr.… Continue reading.

Get Ready for the Leonids Meteor Shower 2025

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A Famous November Display

The Leonids are one of the most famous meteor showers in history, known for producing incredible storms in the past. While 2025 won’t bring one of those once-in-a-lifetime storms, the shower still promises a fine show for skywatchers, especially with little interference from moonlight this year.… Continue reading.

What’s Up in Denver? November 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.

November 10: Look for the waning gibbous Beaver Moon near Beehive Cluster (M44) in the constellation Cancer low in the eastern sky around 10:00 PM DAS General Meeting: Members Show & Tell Night: 📍Secular Hub: 7:00 PM November 11 (Veteran’s Day): Last Quarter Beaver Moon: 10:28 PM November 12: The Northern Taurids Meteor Shower Peaks.… Continue reading.

What’s Up in Denver? November 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.

November 3: Test your eyes on the Moon: Weather permitting, tonight is a great night to go through some of Pickering’s features that look best during the waxing gibbous phase of the moon, including: Gassendi, Plinius region, Vaporum, Lubiniezky region, Medii, Sacrobosco, Huygens region, and Riphaen Mountains.… Continue reading.

AL/NASA 35 Years of Hubble November Challenge

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Last month, we discussed the Hubble’s Night Sky Observing Challenge and the October targets announced by the Astronomical League and NASA to celebrate 35 Years of the Hubble Space Telescope. These organizations have announced a new set of targets for the month of November.… Continue reading.

All About Comets: Origins, Discoveries and their Names

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With all the comet buzz this year—from C/2025 A6 (Lemmon) to C/2025 R2 (SWAN) to several other icy visitors lighting up our skies—it’s the perfect time to explore what comets really are, how astronomers have studied them through history, and how these ancient wanderers get their names.… Continue reading.

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