Community Observatory St Martins on Scilly

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A group of enthusiastic amateur astronomers run the Community Observatory based on St. Martin's, Isles of Scilly. If you live on the islands or are planning a visit, contact them and enjoy stargazing under their amazing unpolluted dark skies!
Community Observatory St Martins on Scilly

Contact Community Observatory St Martins on Scilly


Regular meetings with Community Observatory St Martins on Scilly

  • COSMOS Observatory Open Evening

    Tuesday every week from April 2025 to October 2025

    COSMOS Observatory, St Martins, TR25 0QN

    Join the friendly team of astronomers at the Community Observatory St Martins on Scilly (COSMOS) and experience the truly great dark skies above the Scilly Isles during this one of the facility's regular Tuesday evening open nights that occur from April through to October.

    In April, September and October, the observatory is open from 20:00 to 21:00. From May to August; the observatory is open from 21:00 to 22:00. If the skies are clear, events may run longer.

    Due to limited capacity, these sessions must be booked in advance.

Forthcoming events by Community Observatory St Martins on Scilly

View these events on our calendar, add them to your calendar or Google Calendar.

  • COSMOS Observatory Open Evening

    Tuesday 9th September 2025 from 20:00pm to 22:00pm

    COSMOS Observatory, St Martins, TR25 0QN

    More info
  • COSMOS Observatory Open Evening

    Tuesday 16th September 2025 from 20:00pm to 22:00pm

    COSMOS Observatory, St Martins, TR25 0QN

    More info
  • COSMOS Observatory Open Evening

    Tuesday 23rd September 2025 from 20:00pm to 22:00pm

    COSMOS Observatory, St Martins, TR25 0QN

    More info
  • COSMOS Observatory Open Evening

    Tuesday 30th September 2025 from 20:00pm to 22:00pm

    COSMOS Observatory, St Martins, TR25 0QN

    More info
  • Scilly Dark Skies Week 2025 – Dark Skies Walk

    Sunday 5th October 2025 from 19:30pm to 21:30pm

    Island Hall & Reading Room - Isles of Scilly, St Martins, TR25 0QN

    More info
  • Scilly Dark Skies Week 2025 – Moonlit Monuments

    Monday 6th October 2025 from 19:30pm to 21:30pm

    Island Hall & Reading Room - Isles of Scilly, St Martins, TR25 0QN

    More info
  • Scilly Dark Skies Week 2025 – SeeStar to See Stars

    Tuesday 7th October 2025 from 19:30pm to 20:30pm

    COSMOS Observatory, St Martins, TR25 0QN

    More info
  • COSMOS Observatory Open Evening

    Tuesday 7th October 2025 from 20:00pm to 22:00pm

    COSMOS Observatory, St Martins, TR25 0QN

    More info
  • Scilly Dark Skies Week 2025 – Optimal Imaging System

    Wednesday 8th October 2025 from 19:30pm to 20:30pm

    Island Hall & Reading Room - Isles of Scilly, St Martins, TR25 0QN

    More info
  • Scilly Dark Skies Week 2025 – Quantum and the Aurora talk

    Thursday 9th October 2025 from 19:30pm to 20:30pm

    Island Hall & Reading Room - Isles of Scilly, St Martins, TR25 0QN

    More info

Event locations used by Community Observatory St Martins on Scilly

  • COSMOS Observatory

    Signal Row, St Martins, Isles of Scilly, TR25 0QN, South West England

    Observatory

    More info
  • Island Hall & Reading Room – Isles of Scilly

    Signal Row, St Martins, Isles of Scilly, TR25 0QN

    Astronomical Society

    More info
  • Karma St. Martin’s

    Lower Town, St Martins, Isles of Scilly, TR25 0QW, South West England

    More info

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