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Observatory Adjacent

Dusty Star Observatory

Montana, United States. Park observatory with a 20-inch telescope and astronomy camera that feeds outdoor screens; used for nightly summer programs, usually July and August.

Check visitor accessUse as an itinerary idea, not a normal hotel booking page.
Details on nps.govOpen in StellaEvidence & verification

Rooms and astronomy sessions are confirmed by the property. Stella does not show live inventory.

1 stay - Ready to save
Booking path needs review2 source linksSource review 2026-09-26
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Night Sky Experience

What the catalog describes, and what to arrange for your dates.

Program & schedule
Scheduled sessions are listed. Ask which nights run during your stay.
Equipment access
Park observatory with a 20-inch telescope and astronomy camera that feeds outdoor screens; used for nightly summer programs, usually July and August.; confirm current guest access and equipment before booking.
Astronomy guide
An astronomer is listed. Confirm who is available during your stay.
Sky context
Bortle 2 catalog estimate (medium confidence). This is not an on-site measurement.
Source review
2026-09-26. Read the source links and notes.

Arrange your night

Ask the property before making the astronomy experience part of your booking.

Guest access
Which observing area can guests use, at what times, and are children or day visitors welcome?
Reservations & costs
Is viewing included with the room, or does a telescope session, guide, rental, or private setup need a separate reservation?
Lighting & setup
Are lights dimmed near the observing area, and may guests bring their own telescope or camera?
Weather alternatives
What happens if clouds, wind, or rain cancel a session? Ask about rescheduling, refunds, and indoor alternatives.
How Stella assesses astronomy stays
Photos & planning

See the stay before you open the official site.

Stella uses approved property photos where available. When a stay does not yet have a rights-cleared photo, the card is clearly shown as a Stella guide image.

Dusty Star Observatory under the night sky
Stay photo

Dusty Star Observatory photo

Rights-cleared property imagery attached to this Stella stay.

Sky program

Observatory Adjacent

scheduled program. Park observatory with a 20-inch telescope and astronomy camera that feeds outdoor screens; used for nightly summer programs, usually July and August.; confirm current guest access and equipment before booking.

Map context

Montana, United States

48.7470deg N / 113.4390deg W. 4 nearby dark-sky places found in Stella.

Booking path

Inspiration only

Use as an itinerary idea, not a normal hotel booking page.

Before you book

Use as an itinerary idea, not a normal hotel booking page.

Booking
Inspiration only
Ask about
Ask whether public overnight lodging is available.
Details from
Official hotel site
Last source review
2026-09-26
Itinerary anchor

Use this for planning, not instant booking.

This page points to an astronomy stop, route, or special site that may not work like a hotel checkout.

  1. Check access windows, tour rules, and whether overnight lodging is separate.
  2. Pair the site with a nearby Stella stay or dark-sky place.
  3. Save the page to a Trip Board as a route anchor.

Ask before booking

  • Is this site currently open to visitors, overnight guests, or only scheduled groups?
  • Do you need a permit, transfer, guide, or separate lodging reservation?
  • Which nearby stay should be used if the astronomy site is not bookable?
Details on nps.govReview sources

Booking & source links

2 website links attached for trip planning.

Details linked2 source links

Equipment & stay notes

Telescope setup
Park observatory with a 20-inch telescope and astronomy camera that feeds outdoor screens; used for nightly summer programs, usually July and August.; confirm current guest access and equipment before booking.
Astronomy guide
Listed; confirm your dates
Category
Observatory Adjacent
Stay style
observatory adjacent

Good to know

Booking status
Inspiration only
Sky estimate
medium
Last source review
2026-09-26
Stella note
Confirmed on the NPS site: summer programs at St. Mary and Apgar run from dusk to about midnight. Check the ranger-led activity schedule for dates; Logan Pass star parties need a ticket.

Update this stay

Own this property, or have a better source for Stella to review? Send the corrected website, booking link, or sky-quality evidence.

Send an inquiry
Ask before you book1
  • Ask whether public overnight lodging is available.

The sky during your stay

What you can expect overhead at Dusty Star Observatory through the year — Moon phases and eclipses are exact dates; the Milky Way and aurora are seasonal likelihoods. Pick a month to plan around it.

Dark window Milky Way Meteors Eclipse★ Best months to visit

July 2026 · recommended

  • Darkest skies

    New Moon on Jul 14 — the best window for the Milky Way and faint objects.

  • Milky Way core — peak seasonseasonal

    The galactic core is high overhead and visible, lower in the south.

  • Delta Aquariids meteor showerlikely

    Peaks around Jul 30, up to ~25/hr. A steady southern-hemisphere favourite.

Next steps

Turn this stay into a field plan.

Pair lodging with protected skies, eclipse paths, and practical guides for the same trip.

Dark-sky mapFind protected places

Browse parks, reserves, communities, observatories, and planetariums by darkness and region.

Open routeEclipse travelCompare eclipse paths

Use the 2024-2035 catalog to pair path timing with nearby dark-sky stays.

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Open routeTonight guideKnow what to look for

Start with the practical guide, then use Stella for the exact window where you are.

Open route

Dark-sky parks & sites near here

Certified parks, reserves, and observing sites within reach of this stay.

  • 26 km · Dark-Sky Park · Bortle 2Glacier National Park
    View place →
  • 48 km · Dark-Sky Park · Bortle 2Waterton-Glacier International Peace Park
    View place →
  • 126 km · Dark-Sky Reserve · Bortle 1Lost Trail National Wildlife Refuge
    View place →
  • 138 km · Dark-Sky Park · Bortle 1Bob Marshall Wilderness
    View place →

On the map