What’s Up in Denver? November 3rd through 9th, 2025

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

November 3:

Pickering's Visual Acuity Test — Pickering’s Visual Acuity Test

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. Anytime from sunset to sunrise.

November 4:

As winter draws nearer, the Winter Triangle asterism rises earlier and earlier in the east. The Winter Triangle connects the bright stars Betelgeuse, Sirius, and Procyon to form a large triangle in the winter sky. Look for it starting around 11 PM in early November.

November 5:

DAS Astrophotography Special Interest Group (ASIG) – General & Beginner Meeting: Virtual meeting over Zoom (Look for details in your membership email or slack): 7:00 PM
Full Beaver Moon: 6:19 AM
The full Beaver Moon reaches perigee (its closest distance to Earth at 356,833km): 3:40 PM
Southern Taurids meteor shower peaks: Associated with Comet 2P/Encke: Should produce about 3 meteors per hour, but will likely be washed out by the full moon.

November 6:

Find the waning gibbous Beaver Moon near the Pleiades, the famous open cluster also known as M45 in the constellation Taurus in the eastern sky around 7:00 PM.

November 7:

Look for the waning gibbous Beaver Moon next to Elnath, the horn of the bull meaning “the butting” in Arabic in the constellation Taurus in the eastern sky around 7:30 PM.

November 8:

DAS Open House: Saturn! Neptune! How to buy a telescope: 📍Chamberlin Observatory: 6:15 PM
SCFD presents FREE NIGHT at the DMNS: 📍Denver Museum of Nature and Science: 5:00 PM
Comet C/2025 A6 (Lemmon) reaches perihelion.
The waning gibbous Moon near the Shoe-Buckle Cluster (M35) in the constellation Gemini in the eastern sky around 8:00 PM.

November 9:

Look for the waning gibbous Beaver Moon between Jupiter and Pollux in the constellation Gemini in the eastern sky around 10:00 PM

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.

Southern Taurids (STA): 1:00 AM in eastern Aries: 3 per hour.
Northern Taurids (NTA): 2:00 AM in eastern Aries: 2 per hour.
Andromedids (AND): 11:00 PM in southern Andromeda: 1 per hour
omicron Eridanids (OER): 1:00 AM in northeastern Cetus: Less than 1 per hour.
Orionids (ORI): last hour before dawn in western Gemini: 1 per hour.
epsilon Geminids (EGE): last few hours before dawn in central Gemini: 1 per hour.
rho Puppids (RPU): Last hour before dawn in southeastern Canis Major: Less than 1 per hour.
kappa Ursae Majorids (KUM): Last hour before dawn in southwestern Ursa Majoris: Less than 1 per hour.
Leonids (LEO): Last hour before dawn in northeastern Cancer: Less than 1 per hour.
Southern lambda Draconids (SLD): Last hour before dawn in northern Ursa Major: Less than 1 per hour.
Lambda Ursa Majorids (LUM): Last hour before dawn in southern Ursa Major: 1 per hour.
Leonis Minorids (LMI): last few hours before dawn in northeastern Leo Minor: Less than 1 per hour.