Privacy Policy

Last updated: 23 February 2026

Observatório Astronómico de Travancinha values your privacy. This Privacy Policy explains how we collect, use, disclose, and protect your personal data when you visit our website.

1. Data Controller

The data controller for your personal data is:
OAS – Observatório Astronómico De Travancinha.
Association For The Scientific, Educational And Tourist Development.
Non-profit association.
519112423
Rua da Igreja 3,
Travancinha 6270-603.
Portugal
Email: estrelatravancinha@gmail.com

2. Data We Collect

Data you provide directly:
  • When contacting us via contact form, WhatsApp, or email: name, email address, phone number, and message
Anonymous technical data:
  • IP address (anonymized)
  • Browser type and device
We use Umami Analytics, a privacy-focused analytics service. It does not use cookies, does not collect personal data, and automatically anonymizes all visitor IP addresses. This helps us understand website usage without tracking individuals.

3. Legal Basis for Processing

Your personal data is processed under the following legal grounds:
  • Consent: For sending marketing communications
  • Legitimate interest: To improve our services and website security
  • Contract performance: To process bookings and respond to your contact requests

4. How We Use Your Data

  • To respond to your messages and contact requests
  • To process bookings for astronomical experiences
  • To provide information about our services
  • To comply with legal obligations

5. Data Sharing

Your personal data may be shared with:
  • Service providers: Companies that help us operate the website (hosting)
  • Umami Analytics: Website analytics data is processed by Umami (umami.is). Umami is a privacy-focused service that does not collect personal data or use cookies. Data is stored on Umami's servers within the EU.
  • MapLibre: When using our location map, data may be processed according to OpenStreetMap's Privacy Policy
We do not sell your personal data. Your data will not be transferred outside the European Economic Area without appropriate safeguards.

7. Cookies

We only use essential cookies necessary for basic website functionality. Our website does not use analytics or tracking cookies. Essential cookies:
  • NEXT_LOCALE: Remembers your language preference. Expires when you close your browser.
Analytics (no cookies):
  • Umami: We use Umami Analytics for website statistics. It is cookie-less, does not collect personal data, and automatically anonymizes visitor IP addresses. No consent is required under GDPR.
Third-party embedded content:
  • Google Fonts: Used for typography. Google may collect IP address data according to their privacy policy.
  • MapLibre/CARTO: When using the location map, map tiles are loaded from CARTO's servers.

8. Data Retention

Your personal data is kept only for as long as necessary:
  • Contacts and messages: Up to 2 years after last contact
  • Booking data: Up to 7 years for legal compliance (accounting)

9. Your Rights

Under GDPR, you have the following rights:
  • Right to access: Obtain a copy of your personal data
  • Right to rectification: Correct inaccurate data
  • Right to erasure: Request deletion of your data
  • Right to object: Object to processing of your data
  • Right to portability: Receive your data in a machine-readable format
  • Right to withdraw consent: At any time, without affecting the lawfulness of previous processing
To exercise these rights, contact us at estrelatravancinha@gmail.com

10. Security

We implement appropriate technical and organizational measures to protect your personal data against unauthorized access, alteration, disclosure, or destruction. Our website uses HTTPS to ensure secure data transmission.

11. Minors

Our astronomical experiences may include groups of children and young people from elementary and high school. In these cases, participation requires the presence of a responsible adult from the institution (teacher, educator, or parent/guardian). For insurance and safety purposes, we may collect basic information (such as name and age) of minor participants on-site during the activity. This data is only used for the duration of the experience and is not retained afterwards. The responsible adult who makes the booking is the point of contact for all communications and data handling.

12. Changes to This Policy

We may update this Privacy Policy periodically. Any changes will be posted on this page with a new last updated date. We recommend you review this policy regularly.

13. Contact

If you have any questions about this Privacy Policy or want to exercise your rights, contact us: Email: estrelatravancinha@gmail.com You also have the right to lodge a complaint with the National Data Protection Commission (CNPD) - www.cnpd.pt