I am interested in visiting the Observatoire de Haute Provence. Please find information about the 'Visites de la grande coupole' (Large Dome Visits) specifically: how to book a visit, its duration, and any important conditions or instructions for visitors.
Navigate to 'https://www.obs-hp.fr'. Locate and navigate to the section or page dedicated to public visits or 'Visites de la grande coupole'. Identify how to book a visit for the 'Visites de la grande coupole'. Determine the typical duration of a 'Visites de la grande coupole' tour. Note any important conditions, instructions, or warnings for visitors attending these tours. Synthesize all gathered information into a concise answer.
The agent successfully navigates to the official Observatoire de Haute Provence website (obs-hp.fr) and finds the relevant section for public visits. The agent states that booking for 'Visites de la grande coupole' is done via the Centre d'Astronomie's online ticket office (billetterie en ligne du Centre d'Astronomie). The agent states the duration of the 'Visites de la grande coupole' (e.g., 'environ 1h30' or '1h30'). The agent notes that these visits are only available during school holidays (vacances scolaires) and subject to availability. The agent notes any other key instructions for visitors, such as needing to book in advance, arrival time, or specific age recommendations/restrictions.