Celestial does not collect, store, share or publish any personal information.
In order to provide the data used for the app content, Celestial utilizes the NASA APOD API. Minimal information is collected by NASA to provide this functionality, such as your IP address.
Celestial is offered as an open-source project, except for the API Keys, you can see every line of code of this app on GitHub.
For any question, you can send an email to the developer at email@example.com.