What’s Up in Denver? May 25th through 31st, 2026

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

May 25 (Memorial Day):

Mars and Saturn,
Mars and Saturn,
  • 👀 Look for Mars and Saturn, these two planets grace the morning sky low in the east in the constellation Pisces just before sunrise at 4:45 AM.

May 26:

NSN Webinar Series: Moon Joy: Science from Artemis II
NSN Webinar Series: Moon Joy: Science from Artemis II

May 27:

60 Minutes in Space
60 Minutes in Space

May 28:

NASA, ESA, G. Piotto (Universita degli Studi di Padova), S. Anderson (University of Washington), A. Sarajedini (Florida Atlantic University), L. Bedin (INAF - Osservatorio Astronomico di Padova); Image Processing: Gladys Kober (NASA/Catholic University of America)
NASA, ESA, G. Piotto (Universita degli Studi di Padova), S. Anderson (University of Washington), A. Sarajedini (Florida Atlantic University), L. Bedin (INAF – Osservatorio Astronomico di Padova); Image Processing: Gladys Kober (NASA/Catholic University of America)

May 29:

Jupiter and the Galilean moons
Jupiter and the Galilean moons

May 30:

The Moon and Antares
The Moon and Antares

May 31 (Blue Moon – second in a month):

 

This Week’s Solar System Summary:

  • The Sun shifts from rising about 5:46 AM to 5:43 AM, while sunset moves from 8:12 PM to 8:16 PM, continuing the march toward the longest days of the year.
  • The Moon rises in the morning at the start of the week and shifts into the afternoon and evening hours by the weekend, while moonset moves from the late evening into the overnight hours.
  • Venus remains the dominant evening planet, blazing brightly in the western sky after sunset and setting between 11:00 PM and 11:10 PM.
  • Jupiter continues to sink lower into the western evening sky, setting between about 12:25 AM and 12:05 AM by week’s end.
  • Mercury begins to emerge from the Sun’s glare late in the week but remains extremely difficult to observe very low in the western sky after sunset. Mars and Saturn remain low in the eastern sky before sunrise, offering only brief observing windows for experienced observers with a clear horizon.
  • Uranus is now poorly placed for evening observing, setting around 9:00 PM and disappearing into twilight shortly after sunset.
  • Neptune rises before sunrise and remains a difficult telescopic target in the dawn sky.

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.

  • Anthelion (ANT): 1:00 AM in northern Scorpius near β Scorpii (Acrab): About 2 per hour
  • η Aquariids (ETA): 4:00–5:00 AM low in Aquarius near α Aquarii (Sadalmelik): Less than 1 per hour (ending activity this week; low radiant limits Denver visibility)
  • June Bootids (JBO): 3:00–4:00 AM in Boötes near β Boötis (Nekkar): Less than 1 per hour (very early activity)

Check Out These Helpful Guides from DAS:

Sky Map

Clear skies and happy stargazing!