Here’s a brief look at what’s going on in the Mile High City this week.
October 13 (Indigenous People’s Day):
- Catch the 3rd quarter Hunter’s Moon with the twin stars Castor and Pollux in the constellation Gemini in the early morning eastern sky.
- Last Quarter Hunter’s Moon: 12:12 PM
October 14:
- Look for the waning crescent Hunter’s Moon next to the gas giant Jupiter as the split the constellations of Gemini and Cancer in the early morning eastern sky.
October 15:
- Catch the waning crescent Hunter’s Moon near the spectacular Beehive Cluster (M44) in the constellation Cancer in the early morning eastern sky.
- DAS Astronomical Equipment Auction 2025 Q4 begins
- DAS Astrophotography Special Interest Group (ASIG) – Advanced Image Processing: Virtual program via Zoom: Check Slack and membership email for details: 7:00 PM
October 16:
- Look for the waning crescent Hunter’s Moon within about a degree of Regulus in the constellation Leo in the early morning eastern sky.
- “Astrophysics & Planetary Science throughout the Decades” presentation by professors Fran Bagenal, Ben Brown and Andrew Hamilton (tickets required): 📍 Fiske Planetarium: 7:00 PM
- Standley Lake Stargazing Answers more “Outlandish Questions”: Virtual program via Zoom: 6:00 PM
October 17 (Dark Sky Weekend):
- “Astrophysics & Planetary Science throughout the Decades” presentation by professors Fran Bagenal, Ben Brown and Andrew Hamilton (tickets required): 📍 Fiske Planetarium: 7:00 PM
- Greater Arkansas River Nature Association Salida Star Party with the Mobile Earth and Space Observatory (tickets required): 📍Valley View Nature Learning Center: 5:30 PM
October 18 (Dark Sky Weekend):
- Moon reaches Descending Node, when it crosses the ecliptic plane—the apparent path of the Sun in the sky—moving from north to south, marking the point where its orbit dips below the plane of Earth’s orbit.: 4:34 AM UTC
October 19 (Dark Sky Weekend):
- Catch the last sliver of the waning crescent Moon next to the morning star, Venus in the constellation Virgo right before sunrise.
This Week’s Meteoric Activity:
You can keep track of the activity of meteor showers as well as those beyond the limits of visual observing by visiting the NASA Meteor Shower Portal.
- Orionids (ORI): last hour before dawn in northeastern Orion: 2 per hour.
- Anthelion (ANT): 1:00 AM in southeastern Pisces: 2 per hour.
- Leonis Minorids (LMI): last few hours before dawn in northern Leo Minor: 1 per hour.
- epsilon Geminids (EGE): last few hours before dawn in southern Auriga: 1 per hour.
Check Out These Helpful Guides from DAS:
- Where to Explore the 2025 Denver Night Skies
- When to Explore the 2025 Denver Night Skies
- What to Explore in the 2025 Denver Night Skies
Sky Map
- The pdf map of the night sky from SkyMaps.com can be found at https://www.skymaps.com/skymaps
