Observatory Stay

One&Only Moonlight Basin

MT, US. Bortle 2 sky, scheduled programming, and resident astronomer support.

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Official booking link attached2 official linksVerified 2026-06-27
$1,800/ night est.
Official details

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$1,800 / night est.Official details
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Photos & planning

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One&Only Moonlight Basin under the night sky
Stay photo

One&Only Moonlight Basin photo

Rights-cleared property imagery attached to this Stella stay.

Sky program

Observatory Stay

scheduled program. Private observatory planning evidence points to a PlaneWave CDK700-class installation; confirm operating cadence after opening.

Map context

MT, US

45.2630deg N / 111.3940deg W. 4 nearby dark-sky places found in Stella.

Booking path

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Last verified
2026-06-27
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Promising stay; confirm the sky program while booking.

The stay has direct evidence, but the exact telescope session, guide, or seasonal schedule may still vary.

  1. Ask whether the telescope or guided sky session runs on your travel dates.
  2. Confirm whether the program is included, paid, private, or weather-dependent.
  3. Keep one backup stay or public dark-sky site in your Trip Board.

Ask before booking

  • Is the telescope, observatory, or guide available on the exact nights you want?
  • Is the session private, shared, included, or booked as an add-on?
  • Can the property recommend a darker nearby site if the main deck is affected by lights?
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Official links

2 website links attached for trip planning.

Details linked2 official links

Observing Fit

Telescope setup
Private observatory planning evidence points to a PlaneWave CDK700-class installation; confirm operating cadence after opening.
Astronomy guide
Confirmed
Category
Observatory Stay
Stay style
stella prime

Good to know

Booking status
Check details
Sky estimate
medium
Last verified
2026-06-27
Stella note
Featured private observatory resort; keep operation details confirm-first until the resort publishes current guest scheduling.

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Highlights3
  • Private observatory resort in Big Sky
  • PlaneWave-class installation evidence
  • Luxury mountain dark-sky positioning

The sky during your stay

What you can expect overhead at One&Only Moonlight Basin 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.

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Dark-sky parks & sites near here

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