While the data calculated and plotted by observability.date is intended to be useful and reliable, it comes with no guarantee of any kind. All risk arising from the use of this website and the data it provides is borne by the user. If you find any errors in the calculations, or wish to contact me for any other reason about observability.date, please get in touch at firstname.lastname@example.org.
The header image was taken by me at La Silla. It is freely available under a Creative Commons license, as are many of my photographs of ESO sites.